27967580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 61501440

約数和(自身を除く): 33533860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 571, 620, 790, 1142, 1580, 2284, 2449, 2855, 4898, 5710, 9796, 11420, 12245, 17701, 24490, 35402, 45109, 48980, 70804, 88505, 90218, 177010, 180436, 225545, 354020, 451090, 902180, 1398379, 2796758, 5593516, 6991895, 13983790, 27967580]

約数ペア:

[(1, 27967580), (2, 13983790), (4, 6991895), (5, 5593516), (10, 2796758), (20, 1398379), (31, 902180), (62, 451090), (79, 354020), (124, 225545), (155, 180436), (158, 177010), (310, 90218), (316, 88505), (395, 70804), (571, 48980), (620, 45109), (790, 35402), (1142, 24490), (1580, 17701), (2284, 12245), (2449, 11420), (2855, 9796), (4898, 5710)]