18448171640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{79973}}^1$

素因数の和:80136

約数の個数: 64

約数和(自身を含む): 42610147200

約数和(自身を除く): 24161975560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 79, 146, 158, 292, 316, 365, 395, 584, 632, 730, 790, 1460, 1580, 2920, 3160, 5767, 11534, 23068, 28835, 46136, 57670, 79973, 115340, 159946, 230680, 319892, 399865, 639784, 799730, 1599460, 3198920, 5838029, 6317867, 11676058, 12635734, 23352116, 25271468, 29190145, 31589335, 46704232, 50542936, 58380290, 63178670, 116760580, 126357340, 233521160, 252714680, 461204291, 922408582, 1844817164, 2306021455, 3689634328, 4612042910, 9224085820, 18448171640]

約数ペア:

[(1, 18448171640), (2, 9224085820), (4, 4612042910), (5, 3689634328), (8, 2306021455), (10, 1844817164), (20, 922408582), (40, 461204291), (73, 252714680), (79, 233521160), (146, 126357340), (158, 116760580), (292, 63178670), (316, 58380290), (365, 50542936), (395, 46704232), (584, 31589335), (632, 29190145), (730, 25271468), (790, 23352116), (1460, 12635734), (1580, 11676058), (2920, 6317867), (3160, 5838029), (5767, 3198920), (11534, 1599460), (23068, 799730), (28835, 639784), (46136, 399865), (57670, 319892), (79973, 230680), (115340, 159946)]