20150065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7561}}^1$

素因数の和:7620

約数の個数: 16

約数和(自身を含む): 26678736

約数和(自身を除く): 6528671

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7561, 37805, 98293, 310001, 491465, 1550005, 4030013, 20150065]

約数ペア:

[(1, 20150065), (5, 4030013), (13, 1550005), (41, 491465), (65, 310001), (205, 98293), (533, 37805), (2665, 7561)]