8728120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1931}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 19822320

約数和(自身を除く): 11094200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1931, 2260, 3862, 4520, 7724, 9655, 15448, 19310, 38620, 77240, 218203, 436406, 872812, 1091015, 1745624, 2182030, 4364060, 8728120]

約数ペア:

[(1, 8728120), (2, 4364060), (4, 2182030), (5, 1745624), (8, 1091015), (10, 872812), (20, 436406), (40, 218203), (113, 77240), (226, 38620), (452, 19310), (565, 15448), (904, 9655), (1130, 7724), (1931, 4520), (2260, 3862)]