66364520

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2689}}^1$

素因数の和:3317

約数の個数: 32

約数和(自身を含む): 149617800

約数和(自身を除く): 83253280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 2689, 3085, 4936, 5378, 6170, 10756, 12340, 13445, 21512, 24680, 26890, 53780, 107560, 1659113, 3318226, 6636452, 8295565, 13272904, 16591130, 33182260, 66364520]

約数ペア:

[(1, 66364520), (2, 33182260), (4, 16591130), (5, 13272904), (8, 8295565), (10, 6636452), (20, 3318226), (40, 1659113), (617, 107560), (1234, 53780), (2468, 26890), (2689, 24680), (3085, 21512), (4936, 13445), (5378, 12340), (6170, 10756)]