2578509440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3923}}^1$

素因数の和:4034

約数の個数: 128

約数和(自身を含む): 6724166400

約数和(自身を除く): 4145656960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 640, 790, 832, 1027, 1040, 1264, 1580, 1664, 2054, 2080, 2528, 3160, 3923, 4108, 4160, 5056, 5135, 6320, 7846, 8216, 8320, 10112, 10270, 12640, 15692, 16432, 19615, 20540, 25280, 31384, 32864, 39230, 41080, 50560, 50999, 62768, 65728, 78460, 82160, 101998, 125536, 131456, 156920, 164320, 203996, 251072, 254995, 309917, 313840, 328640, 407992, 502144, 509990, 619834, 627680, 657280, 815984, 1019980, 1239668, 1255360, 1549585, 1631968, 2039960, 2479336, 2510720, 3099170, 3263936, 4028921, 4079920, 4958672, 6198340, 6527872, 8057842, 8159840, 9917344, 12396680, 16115684, 16319680, 19834688, 20144605, 24793360, 32231368, 32639360, 39669376, 40289210, 49586720, 64462736, 80578420, 99173440, 128925472, 161156840, 198346880, 257850944, 322313680, 515701888, 644627360, 1289254720, 2578509440]

約数ペア:

[(1, 2578509440), (2, 1289254720), (4, 644627360), (5, 515701888), (8, 322313680), (10, 257850944), (13, 198346880), (16, 161156840), (20, 128925472), (26, 99173440), (32, 80578420), (40, 64462736), (52, 49586720), (64, 40289210), (65, 39669376), (79, 32639360), (80, 32231368), (104, 24793360), (128, 20144605), (130, 19834688), (158, 16319680), (160, 16115684), (208, 12396680), (260, 9917344), (316, 8159840), (320, 8057842), (395, 6527872), (416, 6198340), (520, 4958672), (632, 4079920), (640, 4028921), (790, 3263936), (832, 3099170), (1027, 2510720), (1040, 2479336), (1264, 2039960), (1580, 1631968), (1664, 1549585), (2054, 1255360), (2080, 1239668), (2528, 1019980), (3160, 815984), (3923, 657280), (4108, 627680), (4160, 619834), (5056, 509990), (5135, 502144), (6320, 407992), (7846, 328640), (8216, 313840), (8320, 309917), (10112, 254995), (10270, 251072), (12640, 203996), (15692, 164320), (16432, 156920), (19615, 131456), (20540, 125536), (25280, 101998), (31384, 82160), (32864, 78460), (39230, 65728), (41080, 62768), (50560, 50999)]