450320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 1130136

約数和(自身を除く): 679816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 433, 520, 866, 1040, 1732, 2165, 3464, 4330, 5629, 6928, 8660, 11258, 17320, 22516, 28145, 34640, 45032, 56290, 90064, 112580, 225160, 450320]

約数ペア:

[(1, 450320), (2, 225160), (4, 112580), (5, 90064), (8, 56290), (10, 45032), (13, 34640), (16, 28145), (20, 22516), (26, 17320), (40, 11258), (52, 8660), (65, 6928), (80, 5629), (104, 4330), (130, 3464), (208, 2165), (260, 1732), (433, 1040), (520, 866)]