68003420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 147667968

約数和(自身を除く): 79664548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 653, 820, 1270, 1306, 2540, 2612, 3265, 5207, 6530, 10414, 13060, 20828, 26035, 26773, 52070, 53546, 82931, 104140, 107092, 133865, 165862, 267730, 331724, 414655, 535460, 829310, 1658620, 3400171, 6800342, 13600684, 17000855, 34001710, 68003420]

約数ペア:

[(1, 68003420), (2, 34001710), (4, 17000855), (5, 13600684), (10, 6800342), (20, 3400171), (41, 1658620), (82, 829310), (127, 535460), (164, 414655), (205, 331724), (254, 267730), (410, 165862), (508, 133865), (635, 107092), (653, 104140), (820, 82931), (1270, 53546), (1306, 52070), (2540, 26773), (2612, 26035), (3265, 20828), (5207, 13060), (6530, 10414)]