65280560

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2273}}^1$

素因数の和:2645

約数の個数: 40

約数和(自身を含む): 152267040

約数和(自身を除く): 86986480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2273, 2872, 3590, 4546, 5744, 7180, 9092, 11365, 14360, 18184, 22730, 28720, 36368, 45460, 90920, 181840, 816007, 1632014, 3264028, 4080035, 6528056, 8160070, 13056112, 16320140, 32640280, 65280560]

約数ペア:

[(1, 65280560), (2, 32640280), (4, 16320140), (5, 13056112), (8, 8160070), (10, 6528056), (16, 4080035), (20, 3264028), (40, 1632014), (80, 816007), (359, 181840), (718, 90920), (1436, 45460), (1795, 36368), (2273, 28720), (2872, 22730), (3590, 18184), (4546, 14360), (5744, 11365), (7180, 9092)]