201798220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25037}}^1$

素因数の和:25090

約数の個数: 48

約数和(自身を含む): 471115008

約数和(自身を除く): 269316788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25037, 50074, 100148, 125185, 250370, 325481, 500740, 650962, 776147, 1301924, 1552294, 1627405, 3104588, 3254810, 3880735, 6509620, 7761470, 10089911, 15522940, 20179822, 40359644, 50449555, 100899110, 201798220]

約数ペア:

[(1, 201798220), (2, 100899110), (4, 50449555), (5, 40359644), (10, 20179822), (13, 15522940), (20, 10089911), (26, 7761470), (31, 6509620), (52, 3880735), (62, 3254810), (65, 3104588), (124, 1627405), (130, 1552294), (155, 1301924), (260, 776147), (310, 650962), (403, 500740), (620, 325481), (806, 250370), (1612, 125185), (2015, 100148), (4030, 50074), (8060, 25037)]