42205880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 99290880

約数和(自身を除く): 57085000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 337, 404, 505, 620, 674, 808, 1010, 1240, 1348, 1685, 2020, 2696, 3131, 3370, 4040, 6262, 6740, 10447, 12524, 13480, 15655, 20894, 25048, 31310, 34037, 41788, 52235, 62620, 68074, 83576, 104470, 125240, 136148, 170185, 208940, 272296, 340370, 417880, 680740, 1055147, 1361480, 2110294, 4220588, 5275735, 8441176, 10551470, 21102940, 42205880]

約数ペア:

[(1, 42205880), (2, 21102940), (4, 10551470), (5, 8441176), (8, 5275735), (10, 4220588), (20, 2110294), (31, 1361480), (40, 1055147), (62, 680740), (101, 417880), (124, 340370), (155, 272296), (202, 208940), (248, 170185), (310, 136148), (337, 125240), (404, 104470), (505, 83576), (620, 68074), (674, 62620), (808, 52235), (1010, 41788), (1240, 34037), (1348, 31310), (1685, 25048), (2020, 20894), (2696, 15655), (3131, 13480), (3370, 12524), (4040, 10447), (6262, 6740)]