66394250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 71983990

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 659, 775, 806, 1318, 1550, 1625, 2015, 3250, 3295, 3875, 4030, 6590, 7750, 8567, 10075, 16475, 17134, 20150, 20429, 32950, 40858, 42835, 50375, 82375, 85670, 100750, 102145, 164750, 204290, 214175, 265577, 428350, 510725, 531154, 1021450, 1070875, 1327885, 2141750, 2553625, 2655770, 5107250, 6639425, 13278850, 33197125, 66394250]

約数ペア:

[(1, 66394250), (2, 33197125), (5, 13278850), (10, 6639425), (13, 5107250), (25, 2655770), (26, 2553625), (31, 2141750), (50, 1327885), (62, 1070875), (65, 1021450), (125, 531154), (130, 510725), (155, 428350), (250, 265577), (310, 214175), (325, 204290), (403, 164750), (650, 102145), (659, 100750), (775, 85670), (806, 82375), (1318, 50375), (1550, 42835), (1625, 40858), (2015, 32950), (3250, 20429), (3295, 20150), (3875, 17134), (4030, 16475), (6590, 10075), (7750, 8567)]