15567920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11447}}^1$

素因数の和:11477

約数の個数: 40

約数和(自身を含む): 38327904

約数和(自身を除く): 22759984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11447, 22894, 45788, 57235, 91576, 114470, 183152, 194599, 228940, 389198, 457880, 778396, 915760, 972995, 1556792, 1945990, 3113584, 3891980, 7783960, 15567920]

約数ペア:

[(1, 15567920), (2, 7783960), (4, 3891980), (5, 3113584), (8, 1945990), (10, 1556792), (16, 972995), (17, 915760), (20, 778396), (34, 457880), (40, 389198), (68, 228940), (80, 194599), (85, 183152), (136, 114470), (170, 91576), (272, 57235), (340, 45788), (680, 22894), (1360, 11447)]