10129640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 22951080

約数和(自身を除く): 12821440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 1613, 3140, 3226, 6280, 6452, 8065, 12904, 16130, 32260, 64520, 253241, 506482, 1012964, 1266205, 2025928, 2532410, 5064820, 10129640]

約数ペア:

[(1, 10129640), (2, 5064820), (4, 2532410), (5, 2025928), (8, 1266205), (10, 1012964), (20, 506482), (40, 253241), (157, 64520), (314, 32260), (628, 16130), (785, 12904), (1256, 8065), (1570, 6452), (1613, 6280), (3140, 3226)]