80219750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{24683}}^1$

素因数の和:24713

約数の個数: 32

約数和(自身を含む): 161729568

約数和(自身を除く): 81509818

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 24683, 49366, 123415, 246830, 320879, 617075, 641758, 1234150, 1604395, 3085375, 3208790, 6170750, 8021975, 16043950, 40109875, 80219750]

約数ペア:

[(1, 80219750), (2, 40109875), (5, 16043950), (10, 8021975), (13, 6170750), (25, 3208790), (26, 3085375), (50, 1604395), (65, 1234150), (125, 641758), (130, 617075), (250, 320879), (325, 246830), (650, 123415), (1625, 49366), (3250, 24683)]