812200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 1964160

約数和(自身を除く): 1151960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 131, 155, 200, 248, 262, 310, 524, 620, 655, 775, 1048, 1240, 1310, 1550, 2620, 3100, 3275, 4061, 5240, 6200, 6550, 8122, 13100, 16244, 20305, 26200, 32488, 40610, 81220, 101525, 162440, 203050, 406100, 812200]

約数ペア:

[(1, 812200), (2, 406100), (4, 203050), (5, 162440), (8, 101525), (10, 81220), (20, 40610), (25, 32488), (31, 26200), (40, 20305), (50, 16244), (62, 13100), (100, 8122), (124, 6550), (131, 6200), (155, 5240), (200, 4061), (248, 3275), (262, 3100), (310, 2620), (524, 1550), (620, 1310), (655, 1240), (775, 1048)]