201009250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 409264128

約数和(自身を除く): 208254878

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 127, 130, 250, 254, 325, 487, 635, 650, 974, 1270, 1625, 1651, 2435, 3175, 3250, 3302, 4870, 6331, 6350, 8255, 12175, 12662, 15875, 16510, 24350, 31655, 31750, 41275, 60875, 61849, 63310, 82550, 121750, 123698, 158275, 206375, 309245, 316550, 412750, 618490, 791375, 804037, 1546225, 1582750, 1608074, 3092450, 4020185, 7731125, 8040370, 15462250, 20100925, 40201850, 100504625, 201009250]

約数ペア:

[(1, 201009250), (2, 100504625), (5, 40201850), (10, 20100925), (13, 15462250), (25, 8040370), (26, 7731125), (50, 4020185), (65, 3092450), (125, 1608074), (127, 1582750), (130, 1546225), (250, 804037), (254, 791375), (325, 618490), (487, 412750), (635, 316550), (650, 309245), (974, 206375), (1270, 158275), (1625, 123698), (1651, 121750), (2435, 82550), (3175, 63310), (3250, 61849), (3302, 60875), (4870, 41275), (6331, 31750), (6350, 31655), (8255, 24350), (12175, 16510), (12662, 15875)]