83728520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67523}}^1$

素因数の和:67565

約数の個数: 32

約数和(自身を含む): 194469120

約数和(自身を除く): 110740600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67523, 135046, 270092, 337615, 540184, 675230, 1350460, 2093213, 2700920, 4186426, 8372852, 10466065, 16745704, 20932130, 41864260, 83728520]

約数ペア:

[(1, 83728520), (2, 41864260), (4, 20932130), (5, 16745704), (8, 10466065), (10, 8372852), (20, 4186426), (31, 2700920), (40, 2093213), (62, 1350460), (124, 675230), (155, 540184), (248, 337615), (310, 270092), (620, 135046), (1240, 67523)]