123039640

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{1907}}^1$

素因数の和:3531

約数の個数: 32

約数和(自身を含む): 277156080

約数和(自身を除く): 154116440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 1907, 3226, 3814, 6452, 7628, 8065, 9535, 12904, 15256, 16130, 19070, 32260, 38140, 64520, 76280, 3075991, 6151982, 12303964, 15379955, 24607928, 30759910, 61519820, 123039640]

約数ペア:

[(1, 123039640), (2, 61519820), (4, 30759910), (5, 24607928), (8, 15379955), (10, 12303964), (20, 6151982), (40, 3075991), (1613, 76280), (1907, 64520), (3226, 38140), (3814, 32260), (6452, 19070), (7628, 16130), (8065, 15256), (9535, 12904)]