16259720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 22231480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 131, 145, 214, 232, 262, 290, 428, 524, 535, 580, 655, 856, 1048, 1070, 1160, 1310, 2140, 2620, 3103, 3799, 4280, 5240, 6206, 7598, 12412, 14017, 15196, 15515, 18995, 24824, 28034, 30392, 31030, 37990, 56068, 62060, 70085, 75980, 112136, 124120, 140170, 151960, 280340, 406493, 560680, 812986, 1625972, 2032465, 3251944, 4064930, 8129860, 16259720]

約数ペア:

[(1, 16259720), (2, 8129860), (4, 4064930), (5, 3251944), (8, 2032465), (10, 1625972), (20, 812986), (29, 560680), (40, 406493), (58, 280340), (107, 151960), (116, 140170), (131, 124120), (145, 112136), (214, 75980), (232, 70085), (262, 62060), (290, 56068), (428, 37990), (524, 31030), (535, 30392), (580, 28034), (655, 24824), (856, 18995), (1048, 15515), (1070, 15196), (1160, 14017), (1310, 12412), (2140, 7598), (2620, 6206), (3103, 5240), (3799, 4280)]