11419280

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 26691000

約数和(自身を除く): 15271720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 409, 698, 818, 1396, 1636, 1745, 2045, 2792, 3272, 3490, 4090, 5584, 6544, 6980, 8180, 13960, 16360, 27920, 32720, 142741, 285482, 570964, 713705, 1141928, 1427410, 2283856, 2854820, 5709640, 11419280]

約数ペア:

[(1, 11419280), (2, 5709640), (4, 2854820), (5, 2283856), (8, 1427410), (10, 1141928), (16, 713705), (20, 570964), (40, 285482), (80, 142741), (349, 32720), (409, 27920), (698, 16360), (818, 13960), (1396, 8180), (1636, 6980), (1745, 6544), (2045, 5584), (2792, 4090), (3272, 3490)]