28380200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3461}}^1$

素因数の和:3518

約数の個数: 48

約数和(自身を含む): 67612860

約数和(自身を除く): 39232660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 3461, 4100, 6922, 8200, 13844, 17305, 27688, 34610, 69220, 86525, 138440, 141901, 173050, 283802, 346100, 567604, 692200, 709505, 1135208, 1419010, 2838020, 3547525, 5676040, 7095050, 14190100, 28380200]

約数ペア:

[(1, 28380200), (2, 14190100), (4, 7095050), (5, 5676040), (8, 3547525), (10, 2838020), (20, 1419010), (25, 1135208), (40, 709505), (41, 692200), (50, 567604), (82, 346100), (100, 283802), (164, 173050), (200, 141901), (205, 138440), (328, 86525), (410, 69220), (820, 34610), (1025, 27688), (1640, 17305), (2050, 13844), (3461, 8200), (4100, 6922)]