7271920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5347}}^1$

素因数の和:5377

約数の個数: 40

約数和(自身を含む): 17905104

約数和(自身を除く): 10633184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5347, 10694, 21388, 26735, 42776, 53470, 85552, 90899, 106940, 181798, 213880, 363596, 427760, 454495, 727192, 908990, 1454384, 1817980, 3635960, 7271920]

約数ペア:

[(1, 7271920), (2, 3635960), (4, 1817980), (5, 1454384), (8, 908990), (10, 727192), (16, 454495), (17, 427760), (20, 363596), (34, 213880), (40, 181798), (68, 106940), (80, 90899), (85, 85552), (136, 53470), (170, 42776), (272, 26735), (340, 21388), (680, 10694), (1360, 5347)]