26557700

素因数分解:

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

素因数の和:717

約数の個数: 72

約数和(自身を含む): 64162560

約数和(自身を除く): 37604860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 659, 775, 806, 1300, 1318, 1550, 1612, 2015, 2636, 3100, 3295, 4030, 6590, 8060, 8567, 10075, 13180, 16475, 17134, 20150, 20429, 32950, 34268, 40300, 40858, 42835, 65900, 81716, 85670, 102145, 171340, 204290, 214175, 265577, 408580, 428350, 510725, 531154, 856700, 1021450, 1062308, 1327885, 2042900, 2655770, 5311540, 6639425, 13278850, 26557700]

約数ペア:

[(1, 26557700), (2, 13278850), (4, 6639425), (5, 5311540), (10, 2655770), (13, 2042900), (20, 1327885), (25, 1062308), (26, 1021450), (31, 856700), (50, 531154), (52, 510725), (62, 428350), (65, 408580), (100, 265577), (124, 214175), (130, 204290), (155, 171340), (260, 102145), (310, 85670), (325, 81716), (403, 65900), (620, 42835), (650, 40858), (659, 40300), (775, 34268), (806, 32950), (1300, 20429), (1318, 20150), (1550, 17134), (1612, 16475), (2015, 13180), (2636, 10075), (3100, 8567), (3295, 8060), (4030, 6590)]