91495120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18749}}^1$

素因数の和:18823

約数の個数: 40

約数和(自身を含む): 216225000

約数和(自身を除く): 124729880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 18749, 37498, 74996, 93745, 149992, 187490, 299984, 374980, 749960, 1143689, 1499920, 2287378, 4574756, 5718445, 9149512, 11436890, 18299024, 22873780, 45747560, 91495120]

約数ペア:

[(1, 91495120), (2, 45747560), (4, 22873780), (5, 18299024), (8, 11436890), (10, 9149512), (16, 5718445), (20, 4574756), (40, 2287378), (61, 1499920), (80, 1143689), (122, 749960), (244, 374980), (305, 299984), (488, 187490), (610, 149992), (976, 93745), (1220, 74996), (2440, 37498), (4880, 18749)]