42636920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15013}}^1$

素因数の和:15095

約数の個数: 32

約数和(自身を含む): 97290720

約数和(自身を除く): 54653800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 15013, 30026, 60052, 75065, 120104, 150130, 300260, 600520, 1065923, 2131846, 4263692, 5329615, 8527384, 10659230, 21318460, 42636920]

約数ペア:

[(1, 42636920), (2, 21318460), (4, 10659230), (5, 8527384), (8, 5329615), (10, 4263692), (20, 2131846), (40, 1065923), (71, 600520), (142, 300260), (284, 150130), (355, 120104), (568, 75065), (710, 60052), (1420, 30026), (2840, 15013)]