15705849680

素因数分解:

$2^4\times 5^1\times {\mathrm{196323121}}^1$

素因数の和:196323134

約数の個数: 20

約数和(自身を含む): 36516100692

約数和(自身を除く): 20810251012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196323121, 392646242, 785292484, 981615605, 1570584968, 1963231210, 3141169936, 3926462420, 7852924840, 15705849680]

約数ペア:

[(1, 15705849680), (2, 7852924840), (4, 3926462420), (5, 3141169936), (8, 1963231210), (10, 1570584968), (16, 981615605), (20, 785292484), (40, 392646242), (80, 196323121)]