22447720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 53475840

約数和(自身を除く): 31028120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 421, 430, 620, 842, 860, 1240, 1333, 1684, 1720, 2105, 2666, 3368, 4210, 5332, 6665, 8420, 10664, 13051, 13330, 16840, 18103, 26102, 26660, 36206, 52204, 53320, 65255, 72412, 90515, 104408, 130510, 144824, 181030, 261020, 362060, 522040, 561193, 724120, 1122386, 2244772, 2805965, 4489544, 5611930, 11223860, 22447720]

約数ペア:

[(1, 22447720), (2, 11223860), (4, 5611930), (5, 4489544), (8, 2805965), (10, 2244772), (20, 1122386), (31, 724120), (40, 561193), (43, 522040), (62, 362060), (86, 261020), (124, 181030), (155, 144824), (172, 130510), (215, 104408), (248, 90515), (310, 72412), (344, 65255), (421, 53320), (430, 52204), (620, 36206), (842, 26660), (860, 26102), (1240, 18103), (1333, 16840), (1684, 13330), (1720, 13051), (2105, 10664), (2666, 8420), (3368, 6665), (4210, 5332)]