40303760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71971}}^1$

素因数の和:71991

約数の個数: 40

約数和(自身を含む): 107094336

約数和(自身を除く): 66790576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71971, 143942, 287884, 359855, 503797, 575768, 719710, 1007594, 1151536, 1439420, 2015188, 2518985, 2878840, 4030376, 5037970, 5757680, 8060752, 10075940, 20151880, 40303760]

約数ペア:

[(1, 40303760), (2, 20151880), (4, 10075940), (5, 8060752), (7, 5757680), (8, 5037970), (10, 4030376), (14, 2878840), (16, 2518985), (20, 2015188), (28, 1439420), (35, 1151536), (40, 1007594), (56, 719710), (70, 575768), (80, 503797), (112, 359855), (140, 287884), (280, 143942), (560, 71971)]