72517420

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{15973}}^1$

素因数の和:16209

約数の個数: 24

約数和(自身を含む): 152967024

約数和(自身を除く): 80449604

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 15973, 31946, 63892, 79865, 159730, 319460, 3625871, 7251742, 14503484, 18129355, 36258710, 72517420]

約数ペア:

[(1, 72517420), (2, 36258710), (4, 18129355), (5, 14503484), (10, 7251742), (20, 3625871), (227, 319460), (454, 159730), (908, 79865), (1135, 63892), (2270, 31946), (4540, 15973)]