155281750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47779}}^1$

素因数の和:47809

約数の個数: 32

約数和(自身を含む): 313054560

約数和(自身を除く): 157772810

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 47779, 95558, 238895, 477790, 621127, 1194475, 1242254, 2388950, 3105635, 5972375, 6211270, 11944750, 15528175, 31056350, 77640875, 155281750]

約数ペア:

[(1, 155281750), (2, 77640875), (5, 31056350), (10, 15528175), (13, 11944750), (25, 6211270), (26, 5972375), (50, 3105635), (65, 2388950), (125, 1242254), (130, 1194475), (250, 621127), (325, 477790), (650, 238895), (1625, 95558), (3250, 47779)]