71474840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57641}}^1$

素因数の和:57683

約数の個数: 32

約数和(自身を含む): 166008960

約数和(自身を除く): 94534120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57641, 115282, 230564, 288205, 461128, 576410, 1152820, 1786871, 2305640, 3573742, 7147484, 8934355, 14294968, 17868710, 35737420, 71474840]

約数ペア:

[(1, 71474840), (2, 35737420), (4, 17868710), (5, 14294968), (8, 8934355), (10, 7147484), (20, 3573742), (31, 2305640), (40, 1786871), (62, 1152820), (124, 576410), (155, 461128), (248, 288205), (310, 230564), (620, 115282), (1240, 57641)]