80009904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128221}}^1$

素因数の和:128245

約数の個数: 40

約数和(自身を含む): 222593392

約数和(自身を除く): 142583488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 128221, 256442, 384663, 512884, 769326, 1025768, 1538652, 1666873, 2051536, 3077304, 3333746, 5000619, 6154608, 6667492, 10001238, 13334984, 20002476, 26669968, 40004952, 80009904]

約数ペア:

[(1, 80009904), (2, 40004952), (3, 26669968), (4, 20002476), (6, 13334984), (8, 10001238), (12, 6667492), (13, 6154608), (16, 5000619), (24, 3333746), (26, 3077304), (39, 2051536), (48, 1666873), (52, 1538652), (78, 1025768), (104, 769326), (156, 512884), (208, 384663), (312, 256442), (624, 128221)]