40629520

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2659}}^1$

素因数の和:2863

約数の個数: 40

約数和(自身を含む): 94993920

約数和(自身を除く): 54364400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2659, 3056, 3820, 5318, 7640, 10636, 13295, 15280, 21272, 26590, 42544, 53180, 106360, 212720, 507869, 1015738, 2031476, 2539345, 4062952, 5078690, 8125904, 10157380, 20314760, 40629520]

約数ペア:

[(1, 40629520), (2, 20314760), (4, 10157380), (5, 8125904), (8, 5078690), (10, 4062952), (16, 2539345), (20, 2031476), (40, 1015738), (80, 507869), (191, 212720), (382, 106360), (764, 53180), (955, 42544), (1528, 26590), (1910, 21272), (2659, 15280), (3056, 13295), (3820, 10636), (5318, 7640)]