64501760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6299}}^1$

素因数の和:6326

約数の個数: 48

約数和(自身を含む): 154791000

約数和(自身を除く): 90289240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6299, 10240, 12598, 25196, 31495, 50392, 62990, 100784, 125980, 201568, 251960, 403136, 503920, 806272, 1007840, 1612544, 2015680, 3225088, 4031360, 6450176, 8062720, 12900352, 16125440, 32250880, 64501760]

約数ペア:

[(1, 64501760), (2, 32250880), (4, 16125440), (5, 12900352), (8, 8062720), (10, 6450176), (16, 4031360), (20, 3225088), (32, 2015680), (40, 1612544), (64, 1007840), (80, 806272), (128, 503920), (160, 403136), (256, 251960), (320, 201568), (512, 125980), (640, 100784), (1024, 62990), (1280, 50392), (2048, 31495), (2560, 25196), (5120, 12598), (6299, 10240)]