71707960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57829}}^1$

素因数の和:57871

約数の個数: 32

約数和(自身を含む): 166550400

約数和(自身を除く): 94842440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57829, 115658, 231316, 289145, 462632, 578290, 1156580, 1792699, 2313160, 3585398, 7170796, 8963495, 14341592, 17926990, 35853980, 71707960]

約数ペア:

[(1, 71707960), (2, 35853980), (4, 17926990), (5, 14341592), (8, 8963495), (10, 7170796), (20, 3585398), (31, 2313160), (40, 1792699), (62, 1156580), (124, 578290), (155, 462632), (248, 289145), (310, 231316), (620, 115658), (1240, 57829)]