2965840

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 6972768

約数和(自身を除く): 4006928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 283, 524, 566, 655, 1048, 1132, 1310, 1415, 2096, 2264, 2620, 2830, 4528, 5240, 5660, 10480, 11320, 22640, 37073, 74146, 148292, 185365, 296584, 370730, 593168, 741460, 1482920, 2965840]

約数ペア:

[(1, 2965840), (2, 1482920), (4, 741460), (5, 593168), (8, 370730), (10, 296584), (16, 185365), (20, 148292), (40, 74146), (80, 37073), (131, 22640), (262, 11320), (283, 10480), (524, 5660), (566, 5240), (655, 4528), (1048, 2830), (1132, 2620), (1310, 2264), (1415, 2096)]