54679480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 131258880

約数和(自身を除く): 76579400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 421, 680, 764, 842, 955, 1528, 1684, 1910, 2105, 3247, 3368, 3820, 4210, 6494, 7157, 7640, 8420, 12988, 14314, 16235, 16840, 25976, 28628, 32470, 35785, 57256, 64940, 71570, 80411, 129880, 143140, 160822, 286280, 321644, 402055, 643288, 804110, 1366987, 1608220, 2733974, 3216440, 5467948, 6834935, 10935896, 13669870, 27339740, 54679480]

約数ペア:

[(1, 54679480), (2, 27339740), (4, 13669870), (5, 10935896), (8, 6834935), (10, 5467948), (17, 3216440), (20, 2733974), (34, 1608220), (40, 1366987), (68, 804110), (85, 643288), (136, 402055), (170, 321644), (191, 286280), (340, 160822), (382, 143140), (421, 129880), (680, 80411), (764, 71570), (842, 64940), (955, 57256), (1528, 35785), (1684, 32470), (1910, 28628), (2105, 25976), (3247, 16840), (3368, 16235), (3820, 14314), (4210, 12988), (6494, 8420), (7157, 7640)]