47981440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 126806400

約数和(自身を除く): 78824960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 79, 80, 104, 128, 130, 146, 158, 160, 208, 260, 292, 316, 320, 365, 395, 416, 520, 584, 632, 640, 730, 790, 832, 949, 1027, 1040, 1168, 1264, 1460, 1580, 1664, 1898, 2054, 2080, 2336, 2528, 2920, 3160, 3796, 4108, 4160, 4672, 4745, 5056, 5135, 5767, 5840, 6320, 7592, 8216, 8320, 9344, 9490, 10112, 10270, 11534, 11680, 12640, 15184, 16432, 18980, 20540, 23068, 23360, 25280, 28835, 30368, 32864, 37960, 41080, 46136, 46720, 50560, 57670, 60736, 65728, 74971, 75920, 82160, 92272, 115340, 121472, 131456, 149942, 151840, 164320, 184544, 230680, 299884, 303680, 328640, 369088, 374855, 461360, 599768, 607360, 657280, 738176, 749710, 922720, 1199536, 1499420, 1845440, 2399072, 2998840, 3690880, 4798144, 5997680, 9596288, 11995360, 23990720, 47981440]

約数ペア:

[(1, 47981440), (2, 23990720), (4, 11995360), (5, 9596288), (8, 5997680), (10, 4798144), (13, 3690880), (16, 2998840), (20, 2399072), (26, 1845440), (32, 1499420), (40, 1199536), (52, 922720), (64, 749710), (65, 738176), (73, 657280), (79, 607360), (80, 599768), (104, 461360), (128, 374855), (130, 369088), (146, 328640), (158, 303680), (160, 299884), (208, 230680), (260, 184544), (292, 164320), (316, 151840), (320, 149942), (365, 131456), (395, 121472), (416, 115340), (520, 92272), (584, 82160), (632, 75920), (640, 74971), (730, 65728), (790, 60736), (832, 57670), (949, 50560), (1027, 46720), (1040, 46136), (1168, 41080), (1264, 37960), (1460, 32864), (1580, 30368), (1664, 28835), (1898, 25280), (2054, 23360), (2080, 23068), (2336, 20540), (2528, 18980), (2920, 16432), (3160, 15184), (3796, 12640), (4108, 11680), (4160, 11534), (4672, 10270), (4745, 10112), (5056, 9490), (5135, 9344), (5767, 8320), (5840, 8216), (6320, 7592)]