12212720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11743}}^1$

素因数の和:11769

約数の個数: 40

約数和(自身を含む): 30581376

約数和(自身を除く): 18368656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11743, 23486, 46972, 58715, 93944, 117430, 152659, 187888, 234860, 305318, 469720, 610636, 763295, 939440, 1221272, 1526590, 2442544, 3053180, 6106360, 12212720]

約数ペア:

[(1, 12212720), (2, 6106360), (4, 3053180), (5, 2442544), (8, 1526590), (10, 1221272), (13, 939440), (16, 763295), (20, 610636), (26, 469720), (40, 305318), (52, 234860), (65, 187888), (80, 152659), (104, 117430), (130, 93944), (208, 58715), (260, 46972), (520, 23486), (1040, 11743)]