28057340

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2789}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 59058720

約数和(自身を除く): 31001380

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 2789, 5030, 5578, 10060, 11156, 13945, 27890, 55780, 1402867, 2805734, 5611468, 7014335, 14028670, 28057340]

約数ペア:

[(1, 28057340), (2, 14028670), (4, 7014335), (5, 5611468), (10, 2805734), (20, 1402867), (503, 55780), (1006, 27890), (2012, 13945), (2515, 11156), (2789, 10060), (5030, 5578)]