28910320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9767}}^1$

素因数の和:9817

約数の個数: 40

約数和(自身を含む): 69040224

約数和(自身を除く): 40129904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9767, 19534, 39068, 48835, 78136, 97670, 156272, 195340, 361379, 390680, 722758, 781360, 1445516, 1806895, 2891032, 3613790, 5782064, 7227580, 14455160, 28910320]

約数ペア:

[(1, 28910320), (2, 14455160), (4, 7227580), (5, 5782064), (8, 3613790), (10, 2891032), (16, 1806895), (20, 1445516), (37, 781360), (40, 722758), (74, 390680), (80, 361379), (148, 195340), (185, 156272), (296, 97670), (370, 78136), (592, 48835), (740, 39068), (1480, 19534), (2960, 9767)]