82661000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 195212160

約数和(自身を除く): 112551160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 250, 262, 500, 524, 631, 655, 1000, 1048, 1262, 1310, 2524, 2620, 3155, 3275, 5048, 5240, 6310, 6550, 12620, 13100, 15775, 16375, 25240, 26200, 31550, 32750, 63100, 65500, 78875, 82661, 126200, 131000, 157750, 165322, 315500, 330644, 413305, 631000, 661288, 826610, 1653220, 2066525, 3306440, 4133050, 8266100, 10332625, 16532200, 20665250, 41330500, 82661000]

約数ペア:

[(1, 82661000), (2, 41330500), (4, 20665250), (5, 16532200), (8, 10332625), (10, 8266100), (20, 4133050), (25, 3306440), (40, 2066525), (50, 1653220), (100, 826610), (125, 661288), (131, 631000), (200, 413305), (250, 330644), (262, 315500), (500, 165322), (524, 157750), (631, 131000), (655, 126200), (1000, 82661), (1048, 78875), (1262, 65500), (1310, 63100), (2524, 32750), (2620, 31550), (3155, 26200), (3275, 25240), (5048, 16375), (5240, 15775), (6310, 13100), (6550, 12620)]