45370000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 100

約数和(自身を含む): 118633900

約数和(自身を除く): 73263900

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 349, 400, 500, 520, 625, 650, 698, 1000, 1040, 1250, 1300, 1396, 1625, 1745, 2000, 2500, 2600, 2792, 3250, 3490, 4537, 5000, 5200, 5584, 6500, 6980, 8125, 8725, 9074, 10000, 13000, 13960, 16250, 17450, 18148, 22685, 26000, 27920, 32500, 34900, 36296, 43625, 45370, 65000, 69800, 72592, 87250, 90740, 113425, 130000, 139600, 174500, 181480, 218125, 226850, 349000, 362960, 436250, 453700, 567125, 698000, 872500, 907400, 1134250, 1745000, 1814800, 2268500, 2835625, 3490000, 4537000, 5671250, 9074000, 11342500, 22685000, 45370000]

約数ペア:

[(1, 45370000), (2, 22685000), (4, 11342500), (5, 9074000), (8, 5671250), (10, 4537000), (13, 3490000), (16, 2835625), (20, 2268500), (25, 1814800), (26, 1745000), (40, 1134250), (50, 907400), (52, 872500), (65, 698000), (80, 567125), (100, 453700), (104, 436250), (125, 362960), (130, 349000), (200, 226850), (208, 218125), (250, 181480), (260, 174500), (325, 139600), (349, 130000), (400, 113425), (500, 90740), (520, 87250), (625, 72592), (650, 69800), (698, 65000), (1000, 45370), (1040, 43625), (1250, 36296), (1300, 34900), (1396, 32500), (1625, 27920), (1745, 26000), (2000, 22685), (2500, 18148), (2600, 17450), (2792, 16250), (3250, 13960), (3490, 13000), (4537, 10000), (5000, 9074), (5200, 8725), (5584, 8125), (6500, 6980)]