40212625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 53374464

約数和(自身を除く): 13161839

約数列:

[1, 5, 23, 25, 71, 115, 125, 197, 355, 575, 985, 1633, 1775, 2875, 4531, 4925, 8165, 8875, 13987, 22655, 24625, 40825, 69935, 113275, 204125, 321701, 349675, 566375, 1608505, 1748375, 8042525, 40212625]

約数ペア:

[(1, 40212625), (5, 8042525), (23, 1748375), (25, 1608505), (71, 566375), (115, 349675), (125, 321701), (197, 204125), (355, 113275), (575, 69935), (985, 40825), (1633, 24625), (1775, 22655), (2875, 13987), (4531, 8875), (4925, 8165)]