118959640

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3001}}^1$

素因数の和:4003

約数の個数: 32

約数和(自身を含む): 268018560

約数和(自身を除く): 149058920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3001, 3964, 4955, 6002, 7928, 9910, 12004, 15005, 19820, 24008, 30010, 39640, 60020, 120040, 2973991, 5947982, 11895964, 14869955, 23791928, 29739910, 59479820, 118959640]

約数ペア:

[(1, 118959640), (2, 59479820), (4, 29739910), (5, 23791928), (8, 14869955), (10, 11895964), (20, 5947982), (40, 2973991), (991, 120040), (1982, 60020), (3001, 39640), (3964, 30010), (4955, 24008), (6002, 19820), (7928, 15005), (9910, 12004)]