16407680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 40538880

約数和(自身を除く): 24131200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 827, 992, 1240, 1654, 1984, 2480, 3308, 3968, 4135, 4960, 6616, 8270, 9920, 13232, 16540, 19840, 25637, 26464, 33080, 51274, 52928, 66160, 102548, 105856, 128185, 132320, 205096, 256370, 264640, 410192, 512740, 529280, 820384, 1025480, 1640768, 2050960, 3281536, 4101920, 8203840, 16407680]

約数ペア:

[(1, 16407680), (2, 8203840), (4, 4101920), (5, 3281536), (8, 2050960), (10, 1640768), (16, 1025480), (20, 820384), (31, 529280), (32, 512740), (40, 410192), (62, 264640), (64, 256370), (80, 205096), (124, 132320), (128, 128185), (155, 105856), (160, 102548), (248, 66160), (310, 52928), (320, 51274), (496, 33080), (620, 26464), (640, 25637), (827, 19840), (992, 16540), (1240, 13232), (1654, 9920), (1984, 8270), (2480, 6616), (3308, 4960), (3968, 4135)]