100856720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 243453168

約数和(自身を除く): 142596448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 317, 328, 388, 410, 485, 634, 656, 776, 820, 970, 1268, 1552, 1585, 1640, 1940, 2536, 3170, 3280, 3880, 3977, 5072, 6340, 7760, 7954, 12680, 12997, 15908, 19885, 25360, 25994, 30749, 31816, 39770, 51988, 61498, 63632, 64985, 79540, 103976, 122996, 129970, 153745, 159080, 207952, 245992, 259940, 307490, 318160, 491984, 519880, 614980, 1039760, 1229960, 1260709, 2459920, 2521418, 5042836, 6303545, 10085672, 12607090, 20171344, 25214180, 50428360, 100856720]

約数ペア:

[(1, 100856720), (2, 50428360), (4, 25214180), (5, 20171344), (8, 12607090), (10, 10085672), (16, 6303545), (20, 5042836), (40, 2521418), (41, 2459920), (80, 1260709), (82, 1229960), (97, 1039760), (164, 614980), (194, 519880), (205, 491984), (317, 318160), (328, 307490), (388, 259940), (410, 245992), (485, 207952), (634, 159080), (656, 153745), (776, 129970), (820, 122996), (970, 103976), (1268, 79540), (1552, 64985), (1585, 63632), (1640, 61498), (1940, 51988), (2536, 39770), (3170, 31816), (3280, 30749), (3880, 25994), (3977, 25360), (5072, 19885), (6340, 15908), (7760, 12997), (7954, 12680)]