40149680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5639}}^1$

素因数の和:5741

約数の個数: 40

約数和(自身を含む): 94413600

約数和(自身を除く): 54263920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5639, 7120, 11278, 22556, 28195, 45112, 56390, 90224, 112780, 225560, 451120, 501871, 1003742, 2007484, 2509355, 4014968, 5018710, 8029936, 10037420, 20074840, 40149680]

約数ペア:

[(1, 40149680), (2, 20074840), (4, 10037420), (5, 8029936), (8, 5018710), (10, 4014968), (16, 2509355), (20, 2007484), (40, 1003742), (80, 501871), (89, 451120), (178, 225560), (356, 112780), (445, 90224), (712, 56390), (890, 45112), (1424, 28195), (1780, 22556), (3560, 11278), (5639, 7120)]