40639120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5237}}^1$

素因数の和:5347

約数の個数: 40

約数和(自身を含む): 95478264

約数和(自身を除く): 54839144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 5237, 7760, 10474, 20948, 26185, 41896, 52370, 83792, 104740, 209480, 418960, 507989, 1015978, 2031956, 2539945, 4063912, 5079890, 8127824, 10159780, 20319560, 40639120]

約数ペア:

[(1, 40639120), (2, 20319560), (4, 10159780), (5, 8127824), (8, 5079890), (10, 4063912), (16, 2539945), (20, 2031956), (40, 1015978), (80, 507989), (97, 418960), (194, 209480), (388, 104740), (485, 83792), (776, 52370), (970, 41896), (1552, 26185), (1940, 20948), (3880, 10474), (5237, 7760)]