13239280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2267}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 31216752

約数和(自身を除く): 17977472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2267, 2920, 4534, 5840, 9068, 11335, 18136, 22670, 36272, 45340, 90680, 165491, 181360, 330982, 661964, 827455, 1323928, 1654910, 2647856, 3309820, 6619640, 13239280]

約数ペア:

[(1, 13239280), (2, 6619640), (4, 3309820), (5, 2647856), (8, 1654910), (10, 1323928), (16, 827455), (20, 661964), (40, 330982), (73, 181360), (80, 165491), (146, 90680), (292, 45340), (365, 36272), (584, 22670), (730, 18136), (1168, 11335), (1460, 9068), (2267, 5840), (2920, 4534)]