8664500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 21525504

約数和(自身を除く): 12861004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 43, 50, 52, 62, 65, 86, 100, 124, 125, 130, 155, 172, 215, 250, 260, 310, 325, 403, 430, 500, 559, 620, 650, 775, 806, 860, 1075, 1118, 1300, 1333, 1550, 1612, 1625, 2015, 2150, 2236, 2666, 2795, 3100, 3250, 3875, 4030, 4300, 5332, 5375, 5590, 6500, 6665, 7750, 8060, 10075, 10750, 11180, 13330, 13975, 15500, 17329, 20150, 21500, 26660, 27950, 33325, 34658, 40300, 50375, 55900, 66650, 69316, 69875, 86645, 100750, 133300, 139750, 166625, 173290, 201500, 279500, 333250, 346580, 433225, 666500, 866450, 1732900, 2166125, 4332250, 8664500]

約数ペア:

[(1, 8664500), (2, 4332250), (4, 2166125), (5, 1732900), (10, 866450), (13, 666500), (20, 433225), (25, 346580), (26, 333250), (31, 279500), (43, 201500), (50, 173290), (52, 166625), (62, 139750), (65, 133300), (86, 100750), (100, 86645), (124, 69875), (125, 69316), (130, 66650), (155, 55900), (172, 50375), (215, 40300), (250, 34658), (260, 33325), (310, 27950), (325, 26660), (403, 21500), (430, 20150), (500, 17329), (559, 15500), (620, 13975), (650, 13330), (775, 11180), (806, 10750), (860, 10075), (1075, 8060), (1118, 7750), (1300, 6665), (1333, 6500), (1550, 5590), (1612, 5375), (1625, 5332), (2015, 4300), (2150, 4030), (2236, 3875), (2666, 3250), (2795, 3100)]