252088720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242393}}^1$

素因数の和:242419

約数の個数: 40

約数和(自身を含む): 631193976

約数和(自身を除く): 379105256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 242393, 484786, 969572, 1211965, 1939144, 2423930, 3151109, 3878288, 4847860, 6302218, 9695720, 12604436, 15755545, 19391440, 25208872, 31511090, 50417744, 63022180, 126044360, 252088720]

約数ペア:

[(1, 252088720), (2, 126044360), (4, 63022180), (5, 50417744), (8, 31511090), (10, 25208872), (13, 19391440), (16, 15755545), (20, 12604436), (26, 9695720), (40, 6302218), (52, 4847860), (65, 3878288), (80, 3151109), (104, 2423930), (130, 1939144), (208, 1211965), (260, 969572), (520, 484786), (1040, 242393)]