15709424840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12668891}}^1$

素因数の和:12668933

約数の個数: 32

約数和(自身を含む): 36486408960

約数和(自身を除く): 20776984120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12668891, 25337782, 50675564, 63344455, 101351128, 126688910, 253377820, 392735621, 506755640, 785471242, 1570942484, 1963678105, 3141884968, 3927356210, 7854712420, 15709424840]

約数ペア:

[(1, 15709424840), (2, 7854712420), (4, 3927356210), (5, 3141884968), (8, 1963678105), (10, 1570942484), (20, 785471242), (31, 506755640), (40, 392735621), (62, 253377820), (124, 126688910), (155, 101351128), (248, 63344455), (310, 50675564), (620, 25337782), (1240, 12668891)]