82445720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 212785920

約数和(自身を除く): 130340200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 523, 563, 1046, 1126, 2092, 2252, 2615, 2815, 3661, 3941, 4184, 4504, 5230, 5630, 7322, 7882, 10460, 11260, 14644, 15764, 18305, 19705, 20920, 22520, 29288, 31528, 36610, 39410, 73220, 78820, 146440, 157640, 294449, 588898, 1177796, 1472245, 2061143, 2355592, 2944490, 4122286, 5888980, 8244572, 10305715, 11777960, 16489144, 20611430, 41222860, 82445720]

約数ペア:

[(1, 82445720), (2, 41222860), (4, 20611430), (5, 16489144), (7, 11777960), (8, 10305715), (10, 8244572), (14, 5888980), (20, 4122286), (28, 2944490), (35, 2355592), (40, 2061143), (56, 1472245), (70, 1177796), (140, 588898), (280, 294449), (523, 157640), (563, 146440), (1046, 78820), (1126, 73220), (2092, 39410), (2252, 36610), (2615, 31528), (2815, 29288), (3661, 22520), (3941, 20920), (4184, 19705), (4504, 18305), (5230, 15764), (5630, 14644), (7322, 11260), (7882, 10460)]