18764704240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7566413}}^1$

素因数の和:7566457

約数の個数: 40

約数和(自身を含む): 45035296128

約数和(自身を除く): 26270591888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7566413, 15132826, 30265652, 37832065, 60531304, 75664130, 121062608, 151328260, 234558803, 302656520, 469117606, 605313040, 938235212, 1172794015, 1876470424, 2345588030, 3752940848, 4691176060, 9382352120, 18764704240]

約数ペア:

[(1, 18764704240), (2, 9382352120), (4, 4691176060), (5, 3752940848), (8, 2345588030), (10, 1876470424), (16, 1172794015), (20, 938235212), (31, 605313040), (40, 469117606), (62, 302656520), (80, 234558803), (124, 151328260), (155, 121062608), (248, 75664130), (310, 60531304), (496, 37832065), (620, 30265652), (1240, 15132826), (2480, 7566413)]