71730280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57847}}^1$

素因数の和:57889

約数の個数: 32

約数和(自身を含む): 166602240

約数和(自身を除く): 94871960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57847, 115694, 231388, 289235, 462776, 578470, 1156940, 1793257, 2313880, 3586514, 7173028, 8966285, 14346056, 17932570, 35865140, 71730280]

約数ペア:

[(1, 71730280), (2, 35865140), (4, 17932570), (5, 14346056), (8, 8966285), (10, 7173028), (20, 3586514), (31, 2313880), (40, 1793257), (62, 1156940), (124, 578470), (155, 462776), (248, 289235), (310, 231388), (620, 115694), (1240, 57847)]