8221360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 22337856

約数和(自身を除く): 14116496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 277, 280, 371, 424, 530, 554, 560, 742, 848, 1060, 1108, 1385, 1484, 1855, 1939, 2120, 2216, 2770, 2968, 3710, 3878, 4240, 4432, 5540, 5936, 7420, 7756, 9695, 11080, 14681, 14840, 15512, 19390, 22160, 29362, 29680, 31024, 38780, 58724, 73405, 77560, 102767, 117448, 146810, 155120, 205534, 234896, 293620, 411068, 513835, 587240, 822136, 1027670, 1174480, 1644272, 2055340, 4110680, 8221360]

約数ペア:

[(1, 8221360), (2, 4110680), (4, 2055340), (5, 1644272), (7, 1174480), (8, 1027670), (10, 822136), (14, 587240), (16, 513835), (20, 411068), (28, 293620), (35, 234896), (40, 205534), (53, 155120), (56, 146810), (70, 117448), (80, 102767), (106, 77560), (112, 73405), (140, 58724), (212, 38780), (265, 31024), (277, 29680), (280, 29362), (371, 22160), (424, 19390), (530, 15512), (554, 14840), (560, 14681), (742, 11080), (848, 9695), (1060, 7756), (1108, 7420), (1385, 5936), (1484, 5540), (1855, 4432), (1939, 4240), (2120, 3878), (2216, 3710), (2770, 2968)]