55533680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16931}}^1$

素因数の和:16985

約数の個数: 40

約数和(自身を含む): 132272784

約数和(自身を除く): 76739104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16931, 33862, 67724, 84655, 135448, 169310, 270896, 338620, 677240, 694171, 1354480, 1388342, 2776684, 3470855, 5553368, 6941710, 11106736, 13883420, 27766840, 55533680]

約数ペア:

[(1, 55533680), (2, 27766840), (4, 13883420), (5, 11106736), (8, 6941710), (10, 5553368), (16, 3470855), (20, 2776684), (40, 1388342), (41, 1354480), (80, 694171), (82, 677240), (164, 338620), (205, 270896), (328, 169310), (410, 135448), (656, 84655), (820, 67724), (1640, 33862), (3280, 16931)]