66688120

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2441}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 150329520

約数和(自身を除く): 83641400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2441, 2732, 3415, 4882, 5464, 6830, 9764, 12205, 13660, 19528, 24410, 27320, 48820, 97640, 1667203, 3334406, 6668812, 8336015, 13337624, 16672030, 33344060, 66688120]

約数ペア:

[(1, 66688120), (2, 33344060), (4, 16672030), (5, 13337624), (8, 8336015), (10, 6668812), (20, 3334406), (40, 1667203), (683, 97640), (1366, 48820), (2441, 27320), (2732, 24410), (3415, 19528), (4882, 13660), (5464, 12205), (6830, 9764)]