22187720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 53758080

約数和(自身を除く): 31570360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 487, 536, 670, 680, 974, 1139, 1340, 1948, 2278, 2435, 2680, 3896, 4556, 4870, 5695, 8279, 9112, 9740, 11390, 16558, 19480, 22780, 32629, 33116, 41395, 45560, 65258, 66232, 82790, 130516, 163145, 165580, 261032, 326290, 331160, 554693, 652580, 1109386, 1305160, 2218772, 2773465, 4437544, 5546930, 11093860, 22187720]

約数ペア:

[(1, 22187720), (2, 11093860), (4, 5546930), (5, 4437544), (8, 2773465), (10, 2218772), (17, 1305160), (20, 1109386), (34, 652580), (40, 554693), (67, 331160), (68, 326290), (85, 261032), (134, 165580), (136, 163145), (170, 130516), (268, 82790), (335, 66232), (340, 65258), (487, 45560), (536, 41395), (670, 33116), (680, 32629), (974, 22780), (1139, 19480), (1340, 16558), (1948, 11390), (2278, 9740), (2435, 9112), (2680, 8279), (3896, 5695), (4556, 4870)]