28417360

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3517}}^1$

素因数の和:3631

約数の個数: 40

約数和(自身を含む): 66743496

約数和(自身を除く): 38326136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3517, 4040, 7034, 8080, 14068, 17585, 28136, 35170, 56272, 70340, 140680, 281360, 355217, 710434, 1420868, 1776085, 2841736, 3552170, 5683472, 7104340, 14208680, 28417360]

約数ペア:

[(1, 28417360), (2, 14208680), (4, 7104340), (5, 5683472), (8, 3552170), (10, 2841736), (16, 1776085), (20, 1420868), (40, 710434), (80, 355217), (101, 281360), (202, 140680), (404, 70340), (505, 56272), (808, 35170), (1010, 28136), (1616, 17585), (2020, 14068), (3517, 8080), (4040, 7034)]