39992120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{613}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 103446720

約数和(自身を除く): 63454600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 613, 932, 1165, 1226, 1631, 1864, 2330, 2452, 3065, 3262, 4291, 4660, 4904, 6130, 6524, 8155, 8582, 9320, 12260, 13048, 16310, 17164, 21455, 24520, 32620, 34328, 42910, 65240, 85820, 142829, 171640, 285658, 571316, 714145, 999803, 1142632, 1428290, 1999606, 2856580, 3999212, 4999015, 5713160, 7998424, 9998030, 19996060, 39992120]

約数ペア:

[(1, 39992120), (2, 19996060), (4, 9998030), (5, 7998424), (7, 5713160), (8, 4999015), (10, 3999212), (14, 2856580), (20, 1999606), (28, 1428290), (35, 1142632), (40, 999803), (56, 714145), (70, 571316), (140, 285658), (233, 171640), (280, 142829), (466, 85820), (613, 65240), (932, 42910), (1165, 34328), (1226, 32620), (1631, 24520), (1864, 21455), (2330, 17164), (2452, 16310), (3065, 13048), (3262, 12260), (4291, 9320), (4660, 8582), (4904, 8155), (6130, 6524)]