27936020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 67350528

約数和(自身を除く): 39414508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 521, 766, 1042, 1532, 1915, 2084, 2605, 2681, 3647, 3830, 5210, 5362, 7294, 7660, 10420, 10724, 13405, 14588, 18235, 26810, 36470, 53620, 72940, 199543, 399086, 798172, 997715, 1396801, 1995430, 2793602, 3990860, 5587204, 6984005, 13968010, 27936020]

約数ペア:

[(1, 27936020), (2, 13968010), (4, 6984005), (5, 5587204), (7, 3990860), (10, 2793602), (14, 1995430), (20, 1396801), (28, 997715), (35, 798172), (70, 399086), (140, 199543), (383, 72940), (521, 53620), (766, 36470), (1042, 26810), (1532, 18235), (1915, 14588), (2084, 13405), (2605, 10724), (2681, 10420), (3647, 7660), (3830, 7294), (5210, 5362)]