66872780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13537}}^1$

素因数の和:13578

約数の個数: 48

約数和(自身を含む): 159206880

約数和(自身を除く): 92334100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13537, 27074, 54148, 67685, 135370, 175981, 257203, 270740, 351962, 514406, 703924, 879905, 1028812, 1286015, 1759810, 2572030, 3343639, 3519620, 5144060, 6687278, 13374556, 16718195, 33436390, 66872780]

約数ペア:

[(1, 66872780), (2, 33436390), (4, 16718195), (5, 13374556), (10, 6687278), (13, 5144060), (19, 3519620), (20, 3343639), (26, 2572030), (38, 1759810), (52, 1286015), (65, 1028812), (76, 879905), (95, 703924), (130, 514406), (190, 351962), (247, 270740), (260, 257203), (380, 175981), (494, 135370), (988, 67685), (1235, 54148), (2470, 27074), (4940, 13537)]