874240

素因数分解:

$2^8\times 5^1\times {\mathrm{683}}^1$

素因数の和:704

約数の個数: 36

約数和(自身を含む): 2097144

約数和(自身を除く): 1222904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 683, 1280, 1366, 2732, 3415, 5464, 6830, 10928, 13660, 21856, 27320, 43712, 54640, 87424, 109280, 174848, 218560, 437120, 874240]

約数ペア:

[(1, 874240), (2, 437120), (4, 218560), (5, 174848), (8, 109280), (10, 87424), (16, 54640), (20, 43712), (32, 27320), (40, 21856), (64, 13660), (80, 10928), (128, 6830), (160, 5464), (256, 3415), (320, 2732), (640, 1366), (683, 1280)]