39557890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64849}}^1$

素因数の和:64917

約数の個数: 16

約数和(自身を含む): 72372600

約数和(自身を除く): 32814710

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 64849, 129698, 324245, 648490, 3955789, 7911578, 19778945, 39557890]

約数ペア:

[(1, 39557890), (2, 19778945), (5, 7911578), (10, 3955789), (61, 648490), (122, 324245), (305, 129698), (610, 64849)]