445177720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{856111}}^1$

素因数の和:856135

約数の個数: 32

約数和(自身を含む): 1078701120

約数和(自身を除く): 633523400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 856111, 1712222, 3424444, 4280555, 6848888, 8561110, 11129443, 17122220, 22258886, 34244440, 44517772, 55647215, 89035544, 111294430, 222588860, 445177720]

約数ペア:

[(1, 445177720), (2, 222588860), (4, 111294430), (5, 89035544), (8, 55647215), (10, 44517772), (13, 34244440), (20, 22258886), (26, 17122220), (40, 11129443), (52, 8561110), (65, 6848888), (104, 4280555), (130, 3424444), (260, 1712222), (520, 856111)]