78007625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 103154688

約数和(自身を除く): 25147063

約数列:

[1, 5, 25, 31, 41, 125, 155, 205, 491, 775, 1025, 1271, 2455, 3875, 5125, 6355, 12275, 15221, 20131, 31775, 61375, 76105, 100655, 158875, 380525, 503275, 624061, 1902625, 2516375, 3120305, 15601525, 78007625]

約数ペア:

[(1, 78007625), (5, 15601525), (25, 3120305), (31, 2516375), (41, 1902625), (125, 624061), (155, 503275), (205, 380525), (491, 158875), (775, 100655), (1025, 76105), (1271, 61375), (2455, 31775), (3875, 20131), (5125, 15221), (6355, 12275)]