78759220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127031}}^1$

素因数の和:127071

約数の個数: 24

約数和(自身を含む): 170731008

約数和(自身を除く): 91971788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 127031, 254062, 508124, 635155, 1270310, 2540620, 3937961, 7875922, 15751844, 19689805, 39379610, 78759220]

約数ペア:

[(1, 78759220), (2, 39379610), (4, 19689805), (5, 15751844), (10, 7875922), (20, 3937961), (31, 2540620), (62, 1270310), (124, 635155), (155, 508124), (310, 254062), (620, 127031)]