1271161820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2050261}}^1$

素因数の和:2050301

約数の個数: 24

約数和(自身を含む): 2755552128

約数和(自身を除く): 1484390308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2050261, 4100522, 8201044, 10251305, 20502610, 41005220, 63558091, 127116182, 254232364, 317790455, 635580910, 1271161820]

約数ペア:

[(1, 1271161820), (2, 635580910), (4, 317790455), (5, 254232364), (10, 127116182), (20, 63558091), (31, 41005220), (62, 20502610), (124, 10251305), (155, 8201044), (310, 4100522), (620, 2050261)]