25616080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 43129520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 307, 560, 596, 614, 745, 1043, 1192, 1228, 1490, 1535, 2086, 2149, 2384, 2456, 2980, 3070, 4172, 4298, 4912, 5215, 5960, 6140, 8344, 8596, 10430, 10745, 11920, 12280, 16688, 17192, 20860, 21490, 24560, 34384, 41720, 42980, 45743, 83440, 85960, 91486, 171920, 182972, 228715, 320201, 365944, 457430, 640402, 731888, 914860, 1280804, 1601005, 1829720, 2561608, 3202010, 3659440, 5123216, 6404020, 12808040, 25616080]

約数ペア:

[(1, 25616080), (2, 12808040), (4, 6404020), (5, 5123216), (7, 3659440), (8, 3202010), (10, 2561608), (14, 1829720), (16, 1601005), (20, 1280804), (28, 914860), (35, 731888), (40, 640402), (56, 457430), (70, 365944), (80, 320201), (112, 228715), (140, 182972), (149, 171920), (280, 91486), (298, 85960), (307, 83440), (560, 45743), (596, 42980), (614, 41720), (745, 34384), (1043, 24560), (1192, 21490), (1228, 20860), (1490, 17192), (1535, 16688), (2086, 12280), (2149, 11920), (2384, 10745), (2456, 10430), (2980, 8596), (3070, 8344), (4172, 6140), (4298, 5960), (4912, 5215)]