55257500

素因数分解:

$2^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 90

約数和(自身を含む): 130289544

約数和(自身を除く): 75032044

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 125, 155, 230, 250, 310, 460, 500, 575, 620, 625, 713, 775, 961, 1150, 1250, 1426, 1550, 1922, 2300, 2500, 2852, 2875, 3100, 3565, 3844, 3875, 4805, 5750, 7130, 7750, 9610, 11500, 14260, 14375, 15500, 17825, 19220, 19375, 22103, 24025, 28750, 35650, 38750, 44206, 48050, 57500, 71300, 77500, 88412, 89125, 96100, 110515, 120125, 178250, 221030, 240250, 356500, 442060, 445625, 480500, 552575, 600625, 891250, 1105150, 1201250, 1782500, 2210300, 2402500, 2762875, 5525750, 11051500, 13814375, 27628750, 55257500]

約数ペア:

[(1, 55257500), (2, 27628750), (4, 13814375), (5, 11051500), (10, 5525750), (20, 2762875), (23, 2402500), (25, 2210300), (31, 1782500), (46, 1201250), (50, 1105150), (62, 891250), (92, 600625), (100, 552575), (115, 480500), (124, 445625), (125, 442060), (155, 356500), (230, 240250), (250, 221030), (310, 178250), (460, 120125), (500, 110515), (575, 96100), (620, 89125), (625, 88412), (713, 77500), (775, 71300), (961, 57500), (1150, 48050), (1250, 44206), (1426, 38750), (1550, 35650), (1922, 28750), (2300, 24025), (2500, 22103), (2852, 19375), (2875, 19220), (3100, 17825), (3565, 15500), (3844, 14375), (3875, 14260), (4805, 11500), (5750, 9610), (7130, 7750)]