40090880

素因数分解:

$2^8\times 5^1\times {\mathrm{31321}}^1$

素因数の和:31342

約数の個数: 36

約数和(自身を含む): 96033252

約数和(自身を除く): 55942372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31321, 62642, 125284, 156605, 250568, 313210, 501136, 626420, 1002272, 1252840, 2004544, 2505680, 4009088, 5011360, 8018176, 10022720, 20045440, 40090880]

約数ペア:

[(1, 40090880), (2, 20045440), (4, 10022720), (5, 8018176), (8, 5011360), (10, 4009088), (16, 2505680), (20, 2004544), (32, 1252840), (40, 1002272), (64, 626420), (80, 501136), (128, 313210), (160, 250568), (256, 156605), (320, 125284), (640, 62642), (1280, 31321)]