13725980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 31116960

約数和(自身を除く): 17390980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 881, 1558, 1762, 3116, 3524, 3895, 4405, 7790, 8810, 15580, 16739, 17620, 33478, 36121, 66956, 72242, 83695, 144484, 167390, 180605, 334780, 361210, 686299, 722420, 1372598, 2745196, 3431495, 6862990, 13725980]

約数ペア:

[(1, 13725980), (2, 6862990), (4, 3431495), (5, 2745196), (10, 1372598), (19, 722420), (20, 686299), (38, 361210), (41, 334780), (76, 180605), (82, 167390), (95, 144484), (164, 83695), (190, 72242), (205, 66956), (380, 36121), (410, 33478), (779, 17620), (820, 16739), (881, 15580), (1558, 8810), (1762, 7790), (3116, 4405), (3524, 3895)]