51818240

素因数分解:

$2^8\times 5^1\times {\mathrm{40483}}^1$

素因数の和:40504

約数の個数: 36

約数和(自身を含む): 124123944

約数和(自身を除く): 72305704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 40483, 80966, 161932, 202415, 323864, 404830, 647728, 809660, 1295456, 1619320, 2590912, 3238640, 5181824, 6477280, 10363648, 12954560, 25909120, 51818240]

約数ペア:

[(1, 51818240), (2, 25909120), (4, 12954560), (5, 10363648), (8, 6477280), (10, 5181824), (16, 3238640), (20, 2590912), (32, 1619320), (40, 1295456), (64, 809660), (80, 647728), (128, 404830), (160, 323864), (256, 202415), (320, 161932), (640, 80966), (1280, 40483)]