154839280

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2801}}^1$

素因数の和:3505

約数の個数: 40

約数和(自身を含む): 360651024

約数和(自身を除く): 205811744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 2801, 3455, 5528, 5602, 6910, 11056, 11204, 13820, 14005, 22408, 27640, 28010, 44816, 55280, 56020, 112040, 224080, 1935491, 3870982, 7741964, 9677455, 15483928, 19354910, 30967856, 38709820, 77419640, 154839280]

約数ペア:

[(1, 154839280), (2, 77419640), (4, 38709820), (5, 30967856), (8, 19354910), (10, 15483928), (16, 9677455), (20, 7741964), (40, 3870982), (80, 1935491), (691, 224080), (1382, 112040), (2764, 56020), (2801, 55280), (3455, 44816), (5528, 28010), (5602, 27640), (6910, 22408), (11056, 14005), (11204, 13820)]