2515690920980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1\times {\mathrm{1447913}}^1$

素因数の和:1448828

約数の個数: 48

約数和(自身を含む): 5338111418640

約数和(自身を除く): 2822420497660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 797, 1090, 1594, 2180, 3188, 3985, 7970, 15940, 86873, 173746, 347492, 434365, 868730, 1447913, 1737460, 2895826, 5791652, 7239565, 14479130, 28958260, 157822517, 315645034, 631290068, 789112585, 1153986661, 1578225170, 2307973322, 3156450340, 4615946644, 5769933305, 11539866610, 23079733220, 125784546049, 251569092098, 503138184196, 628922730245, 1257845460490, 2515690920980]

約数ペア:

[(1, 2515690920980), (2, 1257845460490), (4, 628922730245), (5, 503138184196), (10, 251569092098), (20, 125784546049), (109, 23079733220), (218, 11539866610), (436, 5769933305), (545, 4615946644), (797, 3156450340), (1090, 2307973322), (1594, 1578225170), (2180, 1153986661), (3188, 789112585), (3985, 631290068), (7970, 315645034), (15940, 157822517), (86873, 28958260), (173746, 14479130), (347492, 7239565), (434365, 5791652), (868730, 2895826), (1447913, 1737460)]