6645560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1613}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 15107040

約数和(自身を除く): 8461480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1613, 2060, 3226, 4120, 6452, 8065, 12904, 16130, 32260, 64520, 166139, 332278, 664556, 830695, 1329112, 1661390, 3322780, 6645560]

約数ペア:

[(1, 6645560), (2, 3322780), (4, 1661390), (5, 1329112), (8, 830695), (10, 664556), (20, 332278), (40, 166139), (103, 64520), (206, 32260), (412, 16130), (515, 12904), (824, 8065), (1030, 6452), (1613, 4120), (2060, 3226)]