1320560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 3254256

約数和(自身を除く): 1933696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 971, 1360, 1942, 3884, 4855, 7768, 9710, 15536, 16507, 19420, 33014, 38840, 66028, 77680, 82535, 132056, 165070, 264112, 330140, 660280, 1320560]

約数ペア:

[(1, 1320560), (2, 660280), (4, 330140), (5, 264112), (8, 165070), (10, 132056), (16, 82535), (17, 77680), (20, 66028), (34, 38840), (40, 33014), (68, 19420), (80, 16507), (85, 15536), (136, 9710), (170, 7768), (272, 4855), (340, 3884), (680, 1942), (971, 1360)]