2021290520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{52583}}^1$

素因数の和:52656

約数の個数: 48

約数和(自身を含む): 4699432080

約数和(自身を除く): 2678141560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 38440, 52583, 105166, 210332, 262915, 420664, 525830, 1051660, 1630073, 2103320, 3260146, 6520292, 8150365, 13040584, 16300730, 32601460, 50532263, 65202920, 101064526, 202129052, 252661315, 404258104, 505322630, 1010645260, 2021290520]

約数ペア:

[(1, 2021290520), (2, 1010645260), (4, 505322630), (5, 404258104), (8, 252661315), (10, 202129052), (20, 101064526), (31, 65202920), (40, 50532263), (62, 32601460), (124, 16300730), (155, 13040584), (248, 8150365), (310, 6520292), (620, 3260146), (961, 2103320), (1240, 1630073), (1922, 1051660), (3844, 525830), (4805, 420664), (7688, 262915), (9610, 210332), (19220, 105166), (38440, 52583)]