27640720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4733}}^1$

素因数の和:4819

約数の個数: 40

約数和(自身を含む): 65158776

約数和(自身を除く): 37518056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 4733, 5840, 9466, 18932, 23665, 37864, 47330, 75728, 94660, 189320, 345509, 378640, 691018, 1382036, 1727545, 2764072, 3455090, 5528144, 6910180, 13820360, 27640720]

約数ペア:

[(1, 27640720), (2, 13820360), (4, 6910180), (5, 5528144), (8, 3455090), (10, 2764072), (16, 1727545), (20, 1382036), (40, 691018), (73, 378640), (80, 345509), (146, 189320), (292, 94660), (365, 75728), (584, 47330), (730, 37864), (1168, 23665), (1460, 18932), (2920, 9466), (4733, 5840)]