79681780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128519}}^1$

素因数の和:128559

約数の個数: 24

約数和(自身を含む): 172730880

約数和(自身を除く): 93049100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128519, 257038, 514076, 642595, 1285190, 2570380, 3984089, 7968178, 15936356, 19920445, 39840890, 79681780]

約数ペア:

[(1, 79681780), (2, 39840890), (4, 19920445), (5, 15936356), (10, 7968178), (20, 3984089), (31, 2570380), (62, 1285190), (124, 642595), (155, 514076), (310, 257038), (620, 128519)]