90516400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^3\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 120

約数和(自身を含む): 237866720

約数和(自身を除く): 147350320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 103, 104, 130, 169, 200, 206, 208, 260, 325, 338, 400, 412, 515, 520, 650, 676, 824, 845, 1030, 1040, 1300, 1339, 1352, 1648, 1690, 2060, 2197, 2575, 2600, 2678, 2704, 3380, 4120, 4225, 4394, 5150, 5200, 5356, 6695, 6760, 8240, 8450, 8788, 10300, 10712, 10985, 13390, 13520, 16900, 17407, 17576, 20600, 21424, 21970, 26780, 33475, 33800, 34814, 35152, 41200, 43940, 53560, 54925, 66950, 67600, 69628, 87035, 87880, 107120, 109850, 133900, 139256, 174070, 175760, 219700, 226291, 267800, 278512, 348140, 435175, 439400, 452582, 535600, 696280, 870350, 878800, 905164, 1131455, 1392560, 1740700, 1810328, 2262910, 3481400, 3620656, 4525820, 5657275, 6962800, 9051640, 11314550, 18103280, 22629100, 45258200, 90516400]

約数ペア:

[(1, 90516400), (2, 45258200), (4, 22629100), (5, 18103280), (8, 11314550), (10, 9051640), (13, 6962800), (16, 5657275), (20, 4525820), (25, 3620656), (26, 3481400), (40, 2262910), (50, 1810328), (52, 1740700), (65, 1392560), (80, 1131455), (100, 905164), (103, 878800), (104, 870350), (130, 696280), (169, 535600), (200, 452582), (206, 439400), (208, 435175), (260, 348140), (325, 278512), (338, 267800), (400, 226291), (412, 219700), (515, 175760), (520, 174070), (650, 139256), (676, 133900), (824, 109850), (845, 107120), (1030, 87880), (1040, 87035), (1300, 69628), (1339, 67600), (1352, 66950), (1648, 54925), (1690, 53560), (2060, 43940), (2197, 41200), (2575, 35152), (2600, 34814), (2678, 33800), (2704, 33475), (3380, 26780), (4120, 21970), (4225, 21424), (4394, 20600), (5150, 17576), (5200, 17407), (5356, 16900), (6695, 13520), (6760, 13390), (8240, 10985), (8450, 10712), (8788, 10300)]