87990500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{13537}}^1$

素因数の和:13569

約数の個数: 48

約数和(自身を含む): 206968944

約数和(自身を除く): 118978444

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 13537, 27074, 54148, 67685, 135370, 175981, 270740, 338425, 351962, 676850, 703924, 879905, 1353700, 1692125, 1759810, 3384250, 3519620, 4399525, 6768500, 8799050, 17598100, 21997625, 43995250, 87990500]

約数ペア:

[(1, 87990500), (2, 43995250), (4, 21997625), (5, 17598100), (10, 8799050), (13, 6768500), (20, 4399525), (25, 3519620), (26, 3384250), (50, 1759810), (52, 1692125), (65, 1353700), (100, 879905), (125, 703924), (130, 676850), (250, 351962), (260, 338425), (325, 270740), (500, 175981), (650, 135370), (1300, 67685), (1625, 54148), (3250, 27074), (6500, 13537)]