31982080

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:98

約数の個数: 120

約数和(自身を含む): 85330476

約数和(自身を除く): 53348396

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 961, 992, 1040, 1240, 1280, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3844, 3968, 4030, 4160, 4805, 4960, 6448, 6656, 7688, 7936, 8060, 8320, 9610, 9920, 12493, 12896, 15376, 15872, 16120, 16640, 19220, 19840, 24986, 25792, 30752, 32240, 33280, 38440, 39680, 49972, 51584, 61504, 62465, 64480, 76880, 79360, 99944, 103168, 123008, 124930, 128960, 153760, 199888, 206336, 246016, 249860, 257920, 307520, 399776, 492032, 499720, 515840, 615040, 799552, 999440, 1031680, 1230080, 1599104, 1998880, 2460160, 3198208, 3997760, 6396416, 7995520, 15991040, 31982080]

約数ペア:

[(1, 31982080), (2, 15991040), (4, 7995520), (5, 6396416), (8, 3997760), (10, 3198208), (13, 2460160), (16, 1998880), (20, 1599104), (26, 1230080), (31, 1031680), (32, 999440), (40, 799552), (52, 615040), (62, 515840), (64, 499720), (65, 492032), (80, 399776), (104, 307520), (124, 257920), (128, 249860), (130, 246016), (155, 206336), (160, 199888), (208, 153760), (248, 128960), (256, 124930), (260, 123008), (310, 103168), (320, 99944), (403, 79360), (416, 76880), (496, 64480), (512, 62465), (520, 61504), (620, 51584), (640, 49972), (806, 39680), (832, 38440), (961, 33280), (992, 32240), (1040, 30752), (1240, 25792), (1280, 24986), (1612, 19840), (1664, 19220), (1922, 16640), (1984, 16120), (2015, 15872), (2080, 15376), (2480, 12896), (2560, 12493), (3224, 9920), (3328, 9610), (3844, 8320), (3968, 8060), (4030, 7936), (4160, 7688), (4805, 6656), (4960, 6448)]