64780540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17321}}^1$

素因数の和:17358

約数の個数: 48

約数和(自身を含む): 157145184

約数和(自身を除く): 92364644

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 17321, 34642, 69284, 86605, 173210, 190531, 294457, 346420, 381062, 588914, 762124, 952655, 1177828, 1472285, 1905310, 2944570, 3239027, 3810620, 5889140, 6478054, 12956108, 16195135, 32390270, 64780540]

約数ペア:

[(1, 64780540), (2, 32390270), (4, 16195135), (5, 12956108), (10, 6478054), (11, 5889140), (17, 3810620), (20, 3239027), (22, 2944570), (34, 1905310), (44, 1472285), (55, 1177828), (68, 952655), (85, 762124), (110, 588914), (170, 381062), (187, 346420), (220, 294457), (340, 190531), (374, 173210), (748, 86605), (935, 69284), (1870, 34642), (3740, 17321)]