65187880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 151457040

約数和(自身を除く): 86269160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 194, 212, 265, 317, 388, 424, 485, 530, 634, 776, 970, 1060, 1268, 1585, 1940, 2120, 2536, 3170, 3880, 5141, 6340, 10282, 12680, 16801, 20564, 25705, 30749, 33602, 41128, 51410, 61498, 67204, 84005, 102820, 122996, 134408, 153745, 168010, 205640, 245992, 307490, 336020, 614980, 672040, 1229960, 1629697, 3259394, 6518788, 8148485, 13037576, 16296970, 32593940, 65187880]

約数ペア:

[(1, 65187880), (2, 32593940), (4, 16296970), (5, 13037576), (8, 8148485), (10, 6518788), (20, 3259394), (40, 1629697), (53, 1229960), (97, 672040), (106, 614980), (194, 336020), (212, 307490), (265, 245992), (317, 205640), (388, 168010), (424, 153745), (485, 134408), (530, 122996), (634, 102820), (776, 84005), (970, 67204), (1060, 61498), (1268, 51410), (1585, 41128), (1940, 33602), (2120, 30749), (2536, 25705), (3170, 20564), (3880, 16801), (5141, 12680), (6340, 10282)]