2155171460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{267391}}^1$

素因数の和:267444

約数の個数: 48

約数和(自身を含む): 5031247872

約数和(自身を除く): 2876076412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 267391, 534782, 1069564, 1336955, 2673910, 3476083, 5347820, 6952166, 8289121, 13904332, 16578242, 17380415, 33156484, 34760830, 41445605, 69521660, 82891210, 107758573, 165782420, 215517146, 431034292, 538792865, 1077585730, 2155171460]

約数ペア:

[(1, 2155171460), (2, 1077585730), (4, 538792865), (5, 431034292), (10, 215517146), (13, 165782420), (20, 107758573), (26, 82891210), (31, 69521660), (52, 41445605), (62, 34760830), (65, 33156484), (124, 17380415), (130, 16578242), (155, 13904332), (260, 8289121), (310, 6952166), (403, 5347820), (620, 3476083), (806, 2673910), (1612, 1336955), (2015, 1069564), (4030, 534782), (8060, 267391)]