79920065

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 98155920

約数和(自身を除く): 18235855

約数列:

[1, 5, 61, 157, 305, 785, 1669, 8345, 9577, 47885, 101809, 262033, 509045, 1310165, 15984013, 79920065]

約数ペア:

[(1, 79920065), (5, 15984013), (61, 1310165), (157, 509045), (305, 262033), (785, 101809), (1669, 47885), (8345, 9577)]