49689040

素因数分解:

$2^4\times 5^1\times {\mathrm{621113}}^1$

素因数の和:621126

約数の個数: 20

約数和(自身を含む): 115527204

約数和(自身を除く): 65838164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621113, 1242226, 2484452, 3105565, 4968904, 6211130, 9937808, 12422260, 24844520, 49689040]

約数ペア:

[(1, 49689040), (2, 24844520), (4, 12422260), (5, 9937808), (8, 6211130), (10, 4968904), (16, 3105565), (20, 2484452), (40, 1242226), (80, 621113)]