64874240

素因数分解:

$2^8\times 5^1\times {\mathrm{50683}}^1$

素因数の和:50704

約数の個数: 36

約数和(自身を含む): 155397144

約数和(自身を除く): 90522904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50683, 101366, 202732, 253415, 405464, 506830, 810928, 1013660, 1621856, 2027320, 3243712, 4054640, 6487424, 8109280, 12974848, 16218560, 32437120, 64874240]

約数ペア:

[(1, 64874240), (2, 32437120), (4, 16218560), (5, 12974848), (8, 8109280), (10, 6487424), (16, 4054640), (20, 3243712), (32, 2027320), (40, 1621856), (64, 1013660), (80, 810928), (128, 506830), (160, 405464), (256, 253415), (320, 202732), (640, 101366), (1280, 50683)]