1705919020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{10141}}^1$

素因数の和:10810

約数の個数: 48

約数和(自身を含む): 3864345408

約数和(自身を除く): 2158426388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 647, 1294, 2588, 3235, 6470, 8411, 10141, 12940, 16822, 20282, 33644, 40564, 42055, 50705, 84110, 101410, 131833, 168220, 202820, 263666, 527332, 659165, 1318330, 2636660, 6561227, 13122454, 26244908, 32806135, 65612270, 85295951, 131224540, 170591902, 341183804, 426479755, 852959510, 1705919020]

約数ペア:

[(1, 1705919020), (2, 852959510), (4, 426479755), (5, 341183804), (10, 170591902), (13, 131224540), (20, 85295951), (26, 65612270), (52, 32806135), (65, 26244908), (130, 13122454), (260, 6561227), (647, 2636660), (1294, 1318330), (2588, 659165), (3235, 527332), (6470, 263666), (8411, 202820), (10141, 168220), (12940, 131833), (16822, 101410), (20282, 84110), (33644, 50705), (40564, 42055)]