40290880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17987}}^1$

素因数の和:18011

約数の個数: 56

約数和(自身を含む): 109654848

約数和(自身を除く): 69363968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 17987, 35974, 71948, 89935, 125909, 143896, 179870, 251818, 287792, 359740, 503636, 575584, 629545, 719480, 1007272, 1151168, 1259090, 1438960, 2014544, 2518180, 2877920, 4029088, 5036360, 5755840, 8058176, 10072720, 20145440, 40290880]

約数ペア:

[(1, 40290880), (2, 20145440), (4, 10072720), (5, 8058176), (7, 5755840), (8, 5036360), (10, 4029088), (14, 2877920), (16, 2518180), (20, 2014544), (28, 1438960), (32, 1259090), (35, 1151168), (40, 1007272), (56, 719480), (64, 629545), (70, 575584), (80, 503636), (112, 359740), (140, 287792), (160, 251818), (224, 179870), (280, 143896), (320, 125909), (448, 89935), (560, 71948), (1120, 35974), (2240, 17987)]