76978840

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3109}}^1$

素因数の和:3739

約数の個数: 32

約数和(自身を含む): 173538000

約数和(自身を除く): 96559160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 3109, 4952, 6190, 6218, 12380, 12436, 15545, 24760, 24872, 31090, 62180, 124360, 1924471, 3848942, 7697884, 9622355, 15395768, 19244710, 38489420, 76978840]

約数ペア:

[(1, 76978840), (2, 38489420), (4, 19244710), (5, 15395768), (8, 9622355), (10, 7697884), (20, 3848942), (40, 1924471), (619, 124360), (1238, 62180), (2476, 31090), (3095, 24872), (3109, 24760), (4952, 15545), (6190, 12436), (6218, 12380)]