82077580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3547}}^1$

素因数の和:3658

約数の個数: 48

約数和(自身を含む): 187760160

約数和(自身を除く): 105682580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 3547, 4628, 5785, 7094, 11570, 14188, 17735, 23140, 35470, 46111, 70940, 92222, 184444, 230555, 315683, 461110, 631366, 922220, 1262732, 1578415, 3156830, 4103879, 6313660, 8207758, 16415516, 20519395, 41038790, 82077580]

約数ペア:

[(1, 82077580), (2, 41038790), (4, 20519395), (5, 16415516), (10, 8207758), (13, 6313660), (20, 4103879), (26, 3156830), (52, 1578415), (65, 1262732), (89, 922220), (130, 631366), (178, 461110), (260, 315683), (356, 230555), (445, 184444), (890, 92222), (1157, 70940), (1780, 46111), (2314, 35470), (3547, 23140), (4628, 17735), (5785, 14188), (7094, 11570)]