202544920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{123503}}^1$

素因数の和:123555

約数の個数: 32

約数和(自身を含む): 466845120

約数和(自身を除く): 264300200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 123503, 247006, 494012, 617515, 988024, 1235030, 2470060, 4940120, 5063623, 10127246, 20254492, 25318115, 40508984, 50636230, 101272460, 202544920]

約数ペア:

[(1, 202544920), (2, 101272460), (4, 50636230), (5, 40508984), (8, 25318115), (10, 20254492), (20, 10127246), (40, 5063623), (41, 4940120), (82, 2470060), (164, 1235030), (205, 988024), (328, 617515), (410, 494012), (820, 247006), (1640, 123503)]