662986480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2011}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 1666080864

約数和(自身を除く): 1003094384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 317, 520, 634, 1040, 1268, 1585, 2011, 2536, 3170, 4022, 4121, 5072, 6340, 8044, 8242, 10055, 12680, 16088, 16484, 20110, 20605, 25360, 26143, 32176, 32968, 40220, 41210, 52286, 65936, 80440, 82420, 104572, 130715, 160880, 164840, 209144, 261430, 329680, 418288, 522860, 637487, 1045720, 1274974, 2091440, 2549948, 3187435, 5099896, 6374870, 8287331, 10199792, 12749740, 16574662, 25499480, 33149324, 41436655, 50998960, 66298648, 82873310, 132597296, 165746620, 331493240, 662986480]

約数ペア:

[(1, 662986480), (2, 331493240), (4, 165746620), (5, 132597296), (8, 82873310), (10, 66298648), (13, 50998960), (16, 41436655), (20, 33149324), (26, 25499480), (40, 16574662), (52, 12749740), (65, 10199792), (80, 8287331), (104, 6374870), (130, 5099896), (208, 3187435), (260, 2549948), (317, 2091440), (520, 1274974), (634, 1045720), (1040, 637487), (1268, 522860), (1585, 418288), (2011, 329680), (2536, 261430), (3170, 209144), (4022, 164840), (4121, 160880), (5072, 130715), (6340, 104572), (8044, 82420), (8242, 80440), (10055, 65936), (12680, 52286), (16088, 41210), (16484, 40220), (20110, 32968), (20605, 32176), (25360, 26143)]