42103720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25673}}^1$

素因数の和:25725

約数の個数: 32

約数和(自身を含む): 97047720

約数和(自身を除く): 54944000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25673, 51346, 102692, 128365, 205384, 256730, 513460, 1026920, 1052593, 2105186, 4210372, 5262965, 8420744, 10525930, 21051860, 42103720]

約数ペア:

[(1, 42103720), (2, 21051860), (4, 10525930), (5, 8420744), (8, 5262965), (10, 4210372), (20, 2105186), (40, 1052593), (41, 1026920), (82, 513460), (164, 256730), (205, 205384), (328, 128365), (410, 102692), (820, 51346), (1640, 25673)]