40249340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 87780000

約数和(自身を除く): 47530660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 499, 545, 740, 998, 1090, 1996, 2180, 2495, 4033, 4990, 8066, 9980, 16132, 18463, 20165, 36926, 40330, 54391, 73852, 80660, 92315, 108782, 184630, 217564, 271955, 369260, 543910, 1087820, 2012467, 4024934, 8049868, 10062335, 20124670, 40249340]

約数ペア:

[(1, 40249340), (2, 20124670), (4, 10062335), (5, 8049868), (10, 4024934), (20, 2012467), (37, 1087820), (74, 543910), (109, 369260), (148, 271955), (185, 217564), (218, 184630), (370, 108782), (436, 92315), (499, 80660), (545, 73852), (740, 54391), (998, 40330), (1090, 36926), (1996, 20165), (2180, 18463), (2495, 16132), (4033, 9980), (4990, 8066)]