28089080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37713160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 134, 188, 223, 235, 268, 335, 376, 446, 470, 536, 670, 892, 940, 1115, 1340, 1784, 1880, 2230, 2680, 3149, 4460, 6298, 8920, 10481, 12596, 14941, 15745, 20962, 25192, 29882, 31490, 41924, 52405, 59764, 62980, 74705, 83848, 104810, 119528, 125960, 149410, 209620, 298820, 419240, 597640, 702227, 1404454, 2808908, 3511135, 5617816, 7022270, 14044540, 28089080]

約数ペア:

[(1, 28089080), (2, 14044540), (4, 7022270), (5, 5617816), (8, 3511135), (10, 2808908), (20, 1404454), (40, 702227), (47, 597640), (67, 419240), (94, 298820), (134, 209620), (188, 149410), (223, 125960), (235, 119528), (268, 104810), (335, 83848), (376, 74705), (446, 62980), (470, 59764), (536, 52405), (670, 41924), (892, 31490), (940, 29882), (1115, 25192), (1340, 20962), (1784, 15745), (1880, 14941), (2230, 12596), (2680, 10481), (3149, 8920), (4460, 6298)]