87145580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{433}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 190300320

約数和(自身を除く): 103154740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 347, 433, 580, 694, 866, 1388, 1732, 1735, 2165, 3470, 4330, 6940, 8660, 10063, 12557, 20126, 25114, 40252, 50228, 50315, 62785, 100630, 125570, 150251, 201260, 251140, 300502, 601004, 751255, 1502510, 3005020, 4357279, 8714558, 17429116, 21786395, 43572790, 87145580]

約数ペア:

[(1, 87145580), (2, 43572790), (4, 21786395), (5, 17429116), (10, 8714558), (20, 4357279), (29, 3005020), (58, 1502510), (116, 751255), (145, 601004), (290, 300502), (347, 251140), (433, 201260), (580, 150251), (694, 125570), (866, 100630), (1388, 62785), (1732, 50315), (1735, 50228), (2165, 40252), (3470, 25114), (4330, 20126), (6940, 12557), (8660, 10063)]