8254220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10796980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 599, 689, 1060, 1198, 1378, 2396, 2756, 2995, 3445, 5990, 6890, 7787, 11980, 13780, 15574, 31148, 31747, 38935, 63494, 77870, 126988, 155740, 158735, 317470, 412711, 634940, 825422, 1650844, 2063555, 4127110, 8254220]

約数ペア:

[(1, 8254220), (2, 4127110), (4, 2063555), (5, 1650844), (10, 825422), (13, 634940), (20, 412711), (26, 317470), (52, 158735), (53, 155740), (65, 126988), (106, 77870), (130, 63494), (212, 38935), (260, 31747), (265, 31148), (530, 15574), (599, 13780), (689, 11980), (1060, 7787), (1198, 6890), (1378, 5990), (2396, 3445), (2756, 2995)]