84269440

素因数分解:

$2^7\times 5^1\times {\mathrm{131671}}^1$

素因数の和:131690

約数の個数: 32

約数和(自身を含む): 201458160

約数和(自身を除く): 117188720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 131671, 263342, 526684, 658355, 1053368, 1316710, 2106736, 2633420, 4213472, 5266840, 8426944, 10533680, 16853888, 21067360, 42134720, 84269440]

約数ペア:

[(1, 84269440), (2, 42134720), (4, 21067360), (5, 16853888), (8, 10533680), (10, 8426944), (16, 5266840), (20, 4213472), (32, 2633420), (40, 2106736), (64, 1316710), (80, 1053368), (128, 658355), (160, 526684), (320, 263342), (640, 131671)]