40315280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6379}}^1$

素因数の和:6471

約数の個数: 40

約数和(自身を含む): 94934400

約数和(自身を除く): 54619120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6379, 12758, 25516, 31895, 51032, 63790, 102064, 127580, 255160, 503941, 510320, 1007882, 2015764, 2519705, 4031528, 5039410, 8063056, 10078820, 20157640, 40315280]

約数ペア:

[(1, 40315280), (2, 20157640), (4, 10078820), (5, 8063056), (8, 5039410), (10, 4031528), (16, 2519705), (20, 2015764), (40, 1007882), (79, 510320), (80, 503941), (158, 255160), (316, 127580), (395, 102064), (632, 63790), (790, 51032), (1264, 31895), (1580, 25516), (3160, 12758), (6320, 6379)]