88139920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2707}}^1$

素因数の和:2768

約数の個数: 80

約数和(自身を含む): 229681728

約数和(自身を除く): 141541808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2707, 2960, 3256, 4070, 5414, 6512, 8140, 10828, 13535, 16280, 21656, 27070, 29777, 32560, 43312, 54140, 59554, 100159, 108280, 119108, 148885, 200318, 216560, 238216, 297770, 400636, 476432, 500795, 595540, 801272, 1001590, 1101749, 1191080, 1602544, 2003180, 2203498, 2382160, 4006360, 4406996, 5508745, 8012720, 8813992, 11017490, 17627984, 22034980, 44069960, 88139920]

約数ペア:

[(1, 88139920), (2, 44069960), (4, 22034980), (5, 17627984), (8, 11017490), (10, 8813992), (11, 8012720), (16, 5508745), (20, 4406996), (22, 4006360), (37, 2382160), (40, 2203498), (44, 2003180), (55, 1602544), (74, 1191080), (80, 1101749), (88, 1001590), (110, 801272), (148, 595540), (176, 500795), (185, 476432), (220, 400636), (296, 297770), (370, 238216), (407, 216560), (440, 200318), (592, 148885), (740, 119108), (814, 108280), (880, 100159), (1480, 59554), (1628, 54140), (2035, 43312), (2707, 32560), (2960, 29777), (3256, 27070), (4070, 21656), (5414, 16280), (6512, 13535), (8140, 10828)]