90788750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 189464352

約数和(自身を除く): 98675602

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 151, 185, 250, 302, 325, 370, 481, 625, 650, 755, 925, 962, 1250, 1510, 1625, 1850, 1963, 2405, 3250, 3775, 3926, 4625, 4810, 5587, 7550, 8125, 9250, 9815, 11174, 12025, 16250, 18875, 19630, 23125, 24050, 27935, 37750, 46250, 49075, 55870, 60125, 72631, 94375, 98150, 120250, 139675, 145262, 188750, 245375, 279350, 300625, 363155, 490750, 601250, 698375, 726310, 1226875, 1396750, 1815775, 2453750, 3491875, 3631550, 6983750, 9078875, 18157750, 45394375, 90788750]

約数ペア:

[(1, 90788750), (2, 45394375), (5, 18157750), (10, 9078875), (13, 6983750), (25, 3631550), (26, 3491875), (37, 2453750), (50, 1815775), (65, 1396750), (74, 1226875), (125, 726310), (130, 698375), (151, 601250), (185, 490750), (250, 363155), (302, 300625), (325, 279350), (370, 245375), (481, 188750), (625, 145262), (650, 139675), (755, 120250), (925, 98150), (962, 94375), (1250, 72631), (1510, 60125), (1625, 55870), (1850, 49075), (1963, 46250), (2405, 37750), (3250, 27935), (3775, 24050), (3926, 23125), (4625, 19630), (4810, 18875), (5587, 16250), (7550, 12025), (8125, 11174), (9250, 9815)]