47440640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2885

約数の個数: 72

約数和(自身を含む): 122419248

約数和(自身を除く): 74978608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2851, 3328, 4160, 5702, 8320, 11404, 14255, 16640, 22808, 28510, 37063, 45616, 57020, 74126, 91232, 114040, 148252, 182464, 185315, 228080, 296504, 364928, 370630, 456160, 593008, 729856, 741260, 912320, 1186016, 1482520, 1824640, 2372032, 2965040, 3649280, 4744064, 5930080, 9488128, 11860160, 23720320, 47440640]

約数ペア:

[(1, 47440640), (2, 23720320), (4, 11860160), (5, 9488128), (8, 5930080), (10, 4744064), (13, 3649280), (16, 2965040), (20, 2372032), (26, 1824640), (32, 1482520), (40, 1186016), (52, 912320), (64, 741260), (65, 729856), (80, 593008), (104, 456160), (128, 370630), (130, 364928), (160, 296504), (208, 228080), (256, 185315), (260, 182464), (320, 148252), (416, 114040), (520, 91232), (640, 74126), (832, 57020), (1040, 45616), (1280, 37063), (1664, 28510), (2080, 22808), (2851, 16640), (3328, 14255), (4160, 11404), (5702, 8320)]