1392126920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1122683}}^1$

素因数の和:1122725

約数の個数: 32

約数和(自身を含む): 3233329920

約数和(自身を除く): 1841203000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1122683, 2245366, 4490732, 5613415, 8981464, 11226830, 22453660, 34803173, 44907320, 69606346, 139212692, 174015865, 278425384, 348031730, 696063460, 1392126920]

約数ペア:

[(1, 1392126920), (2, 696063460), (4, 348031730), (5, 278425384), (8, 174015865), (10, 139212692), (20, 69606346), (31, 44907320), (40, 34803173), (62, 22453660), (124, 11226830), (155, 8981464), (248, 5613415), (310, 4490732), (620, 2245366), (1240, 1122683)]