80180840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1933}}^1$

素因数の和:2022

約数の個数: 64

約数和(自身を含む): 194250960

約数和(自身を除く): 114070120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 1933, 2074, 2440, 3866, 4148, 5185, 7732, 8296, 9665, 10370, 15464, 19330, 20740, 32861, 38660, 41480, 65722, 77320, 117913, 131444, 164305, 235826, 262888, 328610, 471652, 589565, 657220, 943304, 1179130, 1314440, 2004521, 2358260, 4009042, 4716520, 8018084, 10022605, 16036168, 20045210, 40090420, 80180840]

約数ペア:

[(1, 80180840), (2, 40090420), (4, 20045210), (5, 16036168), (8, 10022605), (10, 8018084), (17, 4716520), (20, 4009042), (34, 2358260), (40, 2004521), (61, 1314440), (68, 1179130), (85, 943304), (122, 657220), (136, 589565), (170, 471652), (244, 328610), (305, 262888), (340, 235826), (488, 164305), (610, 131444), (680, 117913), (1037, 77320), (1220, 65722), (1933, 41480), (2074, 38660), (2440, 32861), (3866, 20740), (4148, 19330), (5185, 15464), (7732, 10370), (8296, 9665)]