9001840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6619}}^1$

素因数の和:6649

約数の個数: 40

約数和(自身を含む): 22163760

約数和(自身を除く): 13161920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6619, 13238, 26476, 33095, 52952, 66190, 105904, 112523, 132380, 225046, 264760, 450092, 529520, 562615, 900184, 1125230, 1800368, 2250460, 4500920, 9001840]

約数ペア:

[(1, 9001840), (2, 4500920), (4, 2250460), (5, 1800368), (8, 1125230), (10, 900184), (16, 562615), (17, 529520), (20, 450092), (34, 264760), (40, 225046), (68, 132380), (80, 112523), (85, 105904), (136, 66190), (170, 52952), (272, 33095), (340, 26476), (680, 13238), (1360, 6619)]