427291280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{410857}}^1$

素因数の和:410883

約数の個数: 40

約数和(自身を含む): 1069874232

約数和(自身を除く): 642582952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 410857, 821714, 1643428, 2054285, 3286856, 4108570, 5341141, 6573712, 8217140, 10682282, 16434280, 21364564, 26705705, 32868560, 42729128, 53411410, 85458256, 106822820, 213645640, 427291280]

約数ペア:

[(1, 427291280), (2, 213645640), (4, 106822820), (5, 85458256), (8, 53411410), (10, 42729128), (13, 32868560), (16, 26705705), (20, 21364564), (26, 16434280), (40, 10682282), (52, 8217140), (65, 6573712), (80, 5341141), (104, 4108570), (130, 3286856), (208, 2054285), (260, 1643428), (520, 821714), (1040, 410857)]