80738800

素因数分解:

$2^4\times 5^2\times {\mathrm{201847}}^1$

素因数の和:201865

約数の個数: 30

約数和(自身を含む): 193975928

約数和(自身を除く): 113237128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201847, 403694, 807388, 1009235, 1614776, 2018470, 3229552, 4036940, 5046175, 8073880, 10092350, 16147760, 20184700, 40369400, 80738800]

約数ペア:

[(1, 80738800), (2, 40369400), (4, 20184700), (5, 16147760), (8, 10092350), (10, 8073880), (16, 5046175), (20, 4036940), (25, 3229552), (40, 2018470), (50, 1614776), (80, 1009235), (100, 807388), (200, 403694), (400, 201847)]