2080256860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{305023}}^1$

素因数の和:305074

約数の個数: 48

約数和(自身を含む): 4919427072

約数和(自身を除く): 2839170212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 305023, 610046, 1220092, 1525115, 3050230, 3355253, 6100460, 6710506, 9455713, 13421012, 16776265, 18911426, 33552530, 37822852, 47278565, 67105060, 94557130, 104012843, 189114260, 208025686, 416051372, 520064215, 1040128430, 2080256860]

約数ペア:

[(1, 2080256860), (2, 1040128430), (4, 520064215), (5, 416051372), (10, 208025686), (11, 189114260), (20, 104012843), (22, 94557130), (31, 67105060), (44, 47278565), (55, 37822852), (62, 33552530), (110, 18911426), (124, 16776265), (155, 13421012), (220, 9455713), (310, 6710506), (341, 6100460), (620, 3355253), (682, 3050230), (1364, 1525115), (1705, 1220092), (3410, 610046), (6820, 305023)]