40026280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{877}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 103674240

約数和(自身を除く): 63647960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 877, 1141, 1304, 1630, 1754, 2282, 3260, 3508, 4385, 4564, 5705, 6139, 6520, 7016, 8770, 9128, 11410, 12278, 17540, 22820, 24556, 30695, 35080, 45640, 49112, 61390, 122780, 142951, 245560, 285902, 571804, 714755, 1000657, 1143608, 1429510, 2001314, 2859020, 4002628, 5003285, 5718040, 8005256, 10006570, 20013140, 40026280]

約数ペア:

[(1, 40026280), (2, 20013140), (4, 10006570), (5, 8005256), (7, 5718040), (8, 5003285), (10, 4002628), (14, 2859020), (20, 2001314), (28, 1429510), (35, 1143608), (40, 1000657), (56, 714755), (70, 571804), (140, 285902), (163, 245560), (280, 142951), (326, 122780), (652, 61390), (815, 49112), (877, 45640), (1141, 35080), (1304, 30695), (1630, 24556), (1754, 22820), (2282, 17540), (3260, 12278), (3508, 11410), (4385, 9128), (4564, 8770), (5705, 7016), (6139, 6520)]