101209040

素因数分解:

$2^4\times 5^1\times {\mathrm{1265113}}^1$

素因数の和:1265126

約数の個数: 20

約数和(自身を含む): 235311204

約数和(自身を除く): 134102164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1265113, 2530226, 5060452, 6325565, 10120904, 12651130, 20241808, 25302260, 50604520, 101209040]

約数ペア:

[(1, 101209040), (2, 50604520), (4, 25302260), (5, 20241808), (8, 12651130), (10, 10120904), (16, 6325565), (20, 5060452), (40, 2530226), (80, 1265113)]