61971040

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2467}}^1$

素因数の和:2639

約数の個数: 48

約数和(自身を含む): 147398832

約数和(自身を除く): 85427792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2467, 2512, 3140, 4934, 5024, 6280, 9868, 12335, 12560, 19736, 24670, 25120, 39472, 49340, 78944, 98680, 197360, 387319, 394720, 774638, 1549276, 1936595, 3098552, 3873190, 6197104, 7746380, 12394208, 15492760, 30985520, 61971040]

約数ペア:

[(1, 61971040), (2, 30985520), (4, 15492760), (5, 12394208), (8, 7746380), (10, 6197104), (16, 3873190), (20, 3098552), (32, 1936595), (40, 1549276), (80, 774638), (157, 394720), (160, 387319), (314, 197360), (628, 98680), (785, 78944), (1256, 49340), (1570, 39472), (2467, 25120), (2512, 24670), (3140, 19736), (4934, 12560), (5024, 12335), (6280, 9868)]