25717250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 53385696

約数和(自身を除く): 27668446

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 193, 205, 250, 325, 386, 410, 533, 650, 965, 1025, 1066, 1625, 1930, 2050, 2509, 2665, 3250, 4825, 5018, 5125, 5330, 7913, 9650, 10250, 12545, 13325, 15826, 24125, 25090, 26650, 39565, 48250, 62725, 66625, 79130, 102869, 125450, 133250, 197825, 205738, 313625, 395650, 514345, 627250, 989125, 1028690, 1978250, 2571725, 5143450, 12858625, 25717250]

約数ペア:

[(1, 25717250), (2, 12858625), (5, 5143450), (10, 2571725), (13, 1978250), (25, 1028690), (26, 989125), (41, 627250), (50, 514345), (65, 395650), (82, 313625), (125, 205738), (130, 197825), (193, 133250), (205, 125450), (250, 102869), (325, 79130), (386, 66625), (410, 62725), (533, 48250), (650, 39565), (965, 26650), (1025, 25090), (1066, 24125), (1625, 15826), (1930, 13325), (2050, 12545), (2509, 10250), (2665, 9650), (3250, 7913), (4825, 5330), (5018, 5125)]