39768760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11171}}^1$

素因数の和:11271

約数の個数: 32

約数和(自身を含む): 90493200

約数和(自身を除く): 50724440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11171, 22342, 44684, 55855, 89368, 111710, 223420, 446840, 994219, 1988438, 3976876, 4971095, 7953752, 9942190, 19884380, 39768760]

約数ペア:

[(1, 39768760), (2, 19884380), (4, 9942190), (5, 7953752), (8, 4971095), (10, 3976876), (20, 1988438), (40, 994219), (89, 446840), (178, 223420), (356, 111710), (445, 89368), (712, 55855), (890, 44684), (1780, 22342), (3560, 11171)]