77995840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18749}}^1$

素因数の和:18779

約数の個数: 56

約数和(自身を含む): 200025000

約数和(自身を除く): 122029160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 18749, 37498, 74996, 93745, 149992, 187490, 243737, 299984, 374980, 487474, 599968, 749960, 974948, 1199936, 1218685, 1499920, 1949896, 2437370, 2999840, 3899792, 4874740, 5999680, 7799584, 9749480, 15599168, 19498960, 38997920, 77995840]

約数ペア:

[(1, 77995840), (2, 38997920), (4, 19498960), (5, 15599168), (8, 9749480), (10, 7799584), (13, 5999680), (16, 4874740), (20, 3899792), (26, 2999840), (32, 2437370), (40, 1949896), (52, 1499920), (64, 1218685), (65, 1199936), (80, 974948), (104, 749960), (130, 599968), (160, 487474), (208, 374980), (260, 299984), (320, 243737), (416, 187490), (520, 149992), (832, 93745), (1040, 74996), (2080, 37498), (4160, 18749)]