205096240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59621}}^1$

素因数の和:59677

約数の個数: 40

約数和(自身を含む): 487946448

約数和(自身を除く): 282850208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 59621, 119242, 238484, 298105, 476968, 596210, 953936, 1192420, 2384840, 2563703, 4769680, 5127406, 10254812, 12818515, 20509624, 25637030, 41019248, 51274060, 102548120, 205096240]

約数ペア:

[(1, 205096240), (2, 102548120), (4, 51274060), (5, 41019248), (8, 25637030), (10, 20509624), (16, 12818515), (20, 10254812), (40, 5127406), (43, 4769680), (80, 2563703), (86, 2384840), (172, 1192420), (215, 953936), (344, 596210), (430, 476968), (688, 298105), (860, 238484), (1720, 119242), (3440, 59621)]