65789480

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1583}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 148262400

約数和(自身を除く): 82472920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1583, 2078, 3166, 4156, 5195, 6332, 7915, 8312, 10390, 12664, 15830, 20780, 31660, 41560, 63320, 1644737, 3289474, 6578948, 8223685, 13157896, 16447370, 32894740, 65789480]

約数ペア:

[(1, 65789480), (2, 32894740), (4, 16447370), (5, 13157896), (8, 8223685), (10, 6578948), (20, 3289474), (40, 1644737), (1039, 63320), (1583, 41560), (2078, 31660), (3166, 20780), (4156, 15830), (5195, 12664), (6332, 10390), (7915, 8312)]