81483620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3797}}^1$

素因数の和:3872

約数の個数: 48

約数和(自身を含む): 181848240

約数和(自身を除く): 100364620

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 3797, 4292, 5365, 7594, 10730, 15188, 18985, 21460, 37970, 75940, 110113, 140489, 220226, 280978, 440452, 550565, 561956, 702445, 1101130, 1404890, 2202260, 2809780, 4074181, 8148362, 16296724, 20370905, 40741810, 81483620]

約数ペア:

[(1, 81483620), (2, 40741810), (4, 20370905), (5, 16296724), (10, 8148362), (20, 4074181), (29, 2809780), (37, 2202260), (58, 1404890), (74, 1101130), (116, 702445), (145, 561956), (148, 550565), (185, 440452), (290, 280978), (370, 220226), (580, 140489), (740, 110113), (1073, 75940), (2146, 37970), (3797, 21460), (4292, 18985), (5365, 15188), (7594, 10730)]