42400880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6709}}^1$

素因数の和:6801

約数の個数: 40

約数和(自身を含む): 99844800

約数和(自身を除く): 57443920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6709, 13418, 26836, 33545, 53672, 67090, 107344, 134180, 268360, 530011, 536720, 1060022, 2120044, 2650055, 4240088, 5300110, 8480176, 10600220, 21200440, 42400880]

約数ペア:

[(1, 42400880), (2, 21200440), (4, 10600220), (5, 8480176), (8, 5300110), (10, 4240088), (16, 2650055), (20, 2120044), (40, 1060022), (79, 536720), (80, 530011), (158, 268360), (316, 134180), (395, 107344), (632, 67090), (790, 53672), (1264, 33545), (1580, 26836), (3160, 13418), (6320, 6709)]