156743025020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{19161739}}^1$

素因数の和:19162157

約数の個数: 24

約数和(自身を含む): 329965162800

約数和(自身を除く): 173222137780

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 19161739, 38323478, 76646956, 95808695, 191617390, 383234780, 7837151251, 15674302502, 31348605004, 39185756255, 78371512510, 156743025020]

約数ペア:

[(1, 156743025020), (2, 78371512510), (4, 39185756255), (5, 31348605004), (10, 15674302502), (20, 7837151251), (409, 383234780), (818, 191617390), (1636, 95808695), (2045, 76646956), (4090, 38323478), (8180, 19161739)]