824990020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{1777}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 1756379520

約数和(自身を除く): 931389500

約数列:

[1, 2, 4, 5, 10, 20, 139, 167, 278, 334, 556, 668, 695, 835, 1390, 1670, 1777, 2780, 3340, 3554, 7108, 8885, 17770, 23213, 35540, 46426, 92852, 116065, 232130, 247003, 296759, 464260, 494006, 593518, 988012, 1187036, 1235015, 1483795, 2470030, 2967590, 4940060, 5935180, 41249501, 82499002, 164998004, 206247505, 412495010, 824990020]

約数ペア:

[(1, 824990020), (2, 412495010), (4, 206247505), (5, 164998004), (10, 82499002), (20, 41249501), (139, 5935180), (167, 4940060), (278, 2967590), (334, 2470030), (556, 1483795), (668, 1235015), (695, 1187036), (835, 988012), (1390, 593518), (1670, 494006), (1777, 464260), (2780, 296759), (3340, 247003), (3554, 232130), (7108, 116065), (8885, 92852), (17770, 46426), (23213, 35540)]