28358120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101279}}^1$

素因数の和:101297

約数の個数: 32

約数和(自身を含む): 72921600

約数和(自身を除く): 44563480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101279, 202558, 405116, 506395, 708953, 810232, 1012790, 1417906, 2025580, 2835812, 3544765, 4051160, 5671624, 7089530, 14179060, 28358120]

約数ペア:

[(1, 28358120), (2, 14179060), (4, 7089530), (5, 5671624), (7, 4051160), (8, 3544765), (10, 2835812), (14, 2025580), (20, 1417906), (28, 1012790), (35, 810232), (40, 708953), (56, 506395), (70, 405116), (140, 202558), (280, 101279)]