1382480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1595

約数の個数: 40

約数和(自身を含む): 3508704

約数和(自身を除く): 2126224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1571, 3142, 6284, 7855, 12568, 15710, 17281, 25136, 31420, 34562, 62840, 69124, 86405, 125680, 138248, 172810, 276496, 345620, 691240, 1382480]

約数ペア:

[(1, 1382480), (2, 691240), (4, 345620), (5, 276496), (8, 172810), (10, 138248), (11, 125680), (16, 86405), (20, 69124), (22, 62840), (40, 34562), (44, 31420), (55, 25136), (80, 17281), (88, 15710), (110, 12568), (176, 7855), (220, 6284), (440, 3142), (880, 1571)]