201988960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{751}}^1$

素因数の和:848

約数の個数: 72

約数和(自身を含む): 489773088

約数和(自身を除く): 287784128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 751, 820, 1312, 1502, 1640, 1681, 3004, 3280, 3362, 3755, 6008, 6560, 6724, 7510, 8405, 12016, 13448, 15020, 16810, 24032, 26896, 30040, 30791, 33620, 53792, 60080, 61582, 67240, 120160, 123164, 134480, 153955, 246328, 268960, 307910, 492656, 615820, 985312, 1231640, 1262431, 2463280, 2524862, 4926560, 5049724, 6312155, 10099448, 12624310, 20198896, 25248620, 40397792, 50497240, 100994480, 201988960]

約数ペア:

[(1, 201988960), (2, 100994480), (4, 50497240), (5, 40397792), (8, 25248620), (10, 20198896), (16, 12624310), (20, 10099448), (32, 6312155), (40, 5049724), (41, 4926560), (80, 2524862), (82, 2463280), (160, 1262431), (164, 1231640), (205, 985312), (328, 615820), (410, 492656), (656, 307910), (751, 268960), (820, 246328), (1312, 153955), (1502, 134480), (1640, 123164), (1681, 120160), (3004, 67240), (3280, 61582), (3362, 60080), (3755, 53792), (6008, 33620), (6560, 30791), (6724, 30040), (7510, 26896), (8405, 24032), (12016, 16810), (13448, 15020)]