8960020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 21314664

約数和(自身を除く): 12354644

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 73, 76, 85, 95, 146, 170, 190, 292, 323, 340, 361, 365, 380, 646, 722, 730, 1241, 1292, 1387, 1444, 1460, 1615, 1805, 2482, 2774, 3230, 3610, 4964, 5548, 6137, 6205, 6460, 6935, 7220, 12274, 12410, 13870, 23579, 24548, 24820, 26353, 27740, 30685, 47158, 52706, 61370, 94316, 105412, 117895, 122740, 131765, 235790, 263530, 448001, 471580, 527060, 896002, 1792004, 2240005, 4480010, 8960020]

約数ペア:

[(1, 8960020), (2, 4480010), (4, 2240005), (5, 1792004), (10, 896002), (17, 527060), (19, 471580), (20, 448001), (34, 263530), (38, 235790), (68, 131765), (73, 122740), (76, 117895), (85, 105412), (95, 94316), (146, 61370), (170, 52706), (190, 47158), (292, 30685), (323, 27740), (340, 26353), (361, 24820), (365, 24548), (380, 23579), (646, 13870), (722, 12410), (730, 12274), (1241, 7220), (1292, 6935), (1387, 6460), (1444, 6205), (1460, 6137), (1615, 5548), (1805, 4964), (2482, 3610), (2774, 3230)]