8129860

素因数分解:

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

素因数の和:276

約数の個数: 48

約数和(自身を含む): 17962560

約数和(自身を除く): 9832700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 131, 145, 214, 262, 290, 428, 524, 535, 580, 655, 1070, 1310, 2140, 2620, 3103, 3799, 6206, 7598, 12412, 14017, 15196, 15515, 18995, 28034, 31030, 37990, 56068, 62060, 70085, 75980, 140170, 280340, 406493, 812986, 1625972, 2032465, 4064930, 8129860]

約数ペア:

[(1, 8129860), (2, 4064930), (4, 2032465), (5, 1625972), (10, 812986), (20, 406493), (29, 280340), (58, 140170), (107, 75980), (116, 70085), (131, 62060), (145, 56068), (214, 37990), (262, 31030), (290, 28034), (428, 18995), (524, 15515), (535, 15196), (580, 14017), (655, 12412), (1070, 7598), (1310, 6206), (2140, 3799), (2620, 3103)]