87743020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 191778048

約数和(自身を除く): 104035028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 1033, 1370, 2066, 2740, 4132, 4247, 5165, 8494, 10330, 16988, 20660, 21235, 32023, 42470, 64046, 84940, 128092, 141521, 160115, 283042, 320230, 566084, 640460, 707605, 1415210, 2830420, 4387151, 8774302, 17548604, 21935755, 43871510, 87743020]

約数ペア:

[(1, 87743020), (2, 43871510), (4, 21935755), (5, 17548604), (10, 8774302), (20, 4387151), (31, 2830420), (62, 1415210), (124, 707605), (137, 640460), (155, 566084), (274, 320230), (310, 283042), (548, 160115), (620, 141521), (685, 128092), (1033, 84940), (1370, 64046), (2066, 42470), (2740, 32023), (4132, 21235), (4247, 20660), (5165, 16988), (8494, 10330)]