2643440

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 6213888

約数和(自身を除く): 3570448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 191, 346, 382, 692, 764, 865, 955, 1384, 1528, 1730, 1910, 2768, 3056, 3460, 3820, 6920, 7640, 13840, 15280, 33043, 66086, 132172, 165215, 264344, 330430, 528688, 660860, 1321720, 2643440]

約数ペア:

[(1, 2643440), (2, 1321720), (4, 660860), (5, 528688), (8, 330430), (10, 264344), (16, 165215), (20, 132172), (40, 66086), (80, 33043), (173, 15280), (191, 13840), (346, 7640), (382, 6920), (692, 3820), (764, 3460), (865, 3056), (955, 2768), (1384, 1910), (1528, 1730)]