8443960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 22161600

約数和(自身を除く): 13717640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 569, 742, 1060, 1138, 1484, 1855, 2120, 2276, 2845, 2968, 3710, 3983, 4552, 5690, 7420, 7966, 11380, 14840, 15932, 19915, 22760, 30157, 31864, 39830, 60314, 79660, 120628, 150785, 159320, 211099, 241256, 301570, 422198, 603140, 844396, 1055495, 1206280, 1688792, 2110990, 4221980, 8443960]

約数ペア:

[(1, 8443960), (2, 4221980), (4, 2110990), (5, 1688792), (7, 1206280), (8, 1055495), (10, 844396), (14, 603140), (20, 422198), (28, 301570), (35, 241256), (40, 211099), (53, 159320), (56, 150785), (70, 120628), (106, 79660), (140, 60314), (212, 39830), (265, 31864), (280, 30157), (371, 22760), (424, 19915), (530, 15932), (569, 14840), (742, 11380), (1060, 7966), (1138, 7420), (1484, 5690), (1855, 4552), (2120, 3983), (2276, 3710), (2845, 2968)]