40507480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77899}}^1$

素因数の和:77923

約数の個数: 32

約数和(自身を含む): 98154000

約数和(自身を除く): 57646520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77899, 155798, 311596, 389495, 623192, 778990, 1012687, 1557980, 2025374, 3115960, 4050748, 5063435, 8101496, 10126870, 20253740, 40507480]

約数ペア:

[(1, 40507480), (2, 20253740), (4, 10126870), (5, 8101496), (8, 5063435), (10, 4050748), (13, 3115960), (20, 2025374), (26, 1557980), (40, 1012687), (52, 778990), (65, 623192), (104, 389495), (130, 311596), (260, 155798), (520, 77899)]