169288520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136523}}^1$

素因数の和:136565

約数の個数: 32

約数和(自身を含む): 393189120

約数和(自身を除く): 223900600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 136523, 273046, 546092, 682615, 1092184, 1365230, 2730460, 4232213, 5460920, 8464426, 16928852, 21161065, 33857704, 42322130, 84644260, 169288520]

約数ペア:

[(1, 169288520), (2, 84644260), (4, 42322130), (5, 33857704), (8, 21161065), (10, 16928852), (20, 8464426), (31, 5460920), (40, 4232213), (62, 2730460), (124, 1365230), (155, 1092184), (248, 682615), (310, 546092), (620, 273046), (1240, 136523)]